Questions tagged [sleep]

Questions about sleep disorders, like circadian rhythm sleep disorders, or the general topic of sleep as it relates to health.

Filter by
Sorted by
Tagged with
0
votes
0answers
14 views

Why am I able to sleep even after having tea/coffee/redbull (any caffeine based drink) [closed]

Recently, I studied that sleep pressure builds due to 'adenosine' getting accumulated as long as we are up, and the more adenosine accumulates the more we get the urge to sleep. Caffeine helps in ...
-1
votes
0answers
18 views

I wake up during the night, sweaty but cold [closed]

I am 38 years old. I have had in the last 5 years problems with sleeping, but lately I have been having a peculiar case. I wake up at night about 6 am, 2 hours before my alarm clock, completely sweaty,...
1
vote
0answers
22 views

What is the effect of intermittent fasting on sleep, if any?

What is the effect of intermittent fasting on sleep, if any? The 2018 review {1} was quite inconclusive, except for REM sleep in the case of diurnal intermittent fasting: The impact of diurnal ...
9
votes
1answer
6k views

Sleeping on stomach - why are people naturally drawn to it if it's bad?

Why are some adults and children naturally drawn to sleeping on their stomachs if it's not a good sleep position (according to many articles)? I understand it's not good for babies because of the ...
2
votes
1answer
82 views

Term for a person who sleeps as they need to, rather than with any regular pattern? [closed]

Is there a term for a condition or inclination of only sleeping on an as-needs basis? (analogous, perhaps, to hydration habits, where some people may have a regular pattern for when they drink water, ...
-1
votes
1answer
36 views

Exactly what triggers the release of Melatonin?

I work nights and I know it's terrible for the health (circadian rhythm) but what can you do, I'm stuck and can't get another job. I'm not taking any melatonin, because I'm skeptical of taking ...
7
votes
0answers
80 views

How do scientists determine how much sleep a particular individual needs?

Is it determined the same way as "healthy" weight? Someone told me that for weight, they do it by measuring a large number of people and see who gets sick and who doesn't and correlate that weight. ...
4
votes
1answer
29 views

Obstructive sleep apnea (OSA) - what level of respiratory dysregulation is involved and are respiratory stimulants relevant?

There are some people who when sleeping seem to power through obstructions to their breathing by breathing strongly such that they snore at a very loud volume. For people with obstructive sleep apnea ...
2
votes
0answers
54 views

Can someone die from not sleeping? [closed]

I know this sounds like a weird question, but is it possible for someone not sleeping to die? What are all the negative consequences of not sleeping for long periods of time? Do you have any tips for ...
2
votes
1answer
108 views

Does milk really affect sleep? [closed]

I'm a night owl and an early bird kind of person. Meaning I tend to have difficulties in waking up, but stay up late. My eyes being very hard to open, after about 4 hours of sleep. I just noticed that ...
3
votes
2answers
5k views

What is the mechanism by which paracetamol improves sleep?

45+ old male sleep maintenance issues for couple of years resolved by fixing the basics- blacked out room, avoiding alcohol and coffee having the biggest effect. Still even if I am able to sleep 8 ...
10
votes
1answer
389 views

Does bed type have an effect on sleep quality? [closed]

People naturally have varied preferences for bed firmness / angle / temperature, but is there any evidence that a soft bed improves sleep quality? Spending ~8 hrs a day on a soft cushion (instead of ...
0
votes
2answers
50 views

Why does adenosine processing require unconsciousness?

I've heard that one of the purposes of sleep is to process adenosine that builds up from metabolic processes, and it makes sense that the effect of adenosine as a neurotransmitter is to produce ...
1
vote
0answers
10 views

Best Sleep quality index: polysomnography (PSG) , The Pittsburgh Sleep Quality Index (PSQI) or

I am interested in sleep quality measuring and by seeing this paper: Towards Benchmarked Sleep Detection with Inertial Wrist-worn Sensing Units I have seen this part paper: So i like to know which ...
2
votes
0answers
30 views

Proper sleep quality index for compare with heart rate patterns

I LIKE TO KNOW ABOUT how to compare result of some detected patters in heart rate for sleep quality,for something like this work: Image-based sleep motion and Slope detection on Hammock, hill and ...
0
votes
0answers
51 views

One-sided nasal obstruction while lying normal?

Here's a question to which I've not been able to get clear answer to date, after researching widely online, and also consulting multiple doctors and ENTs: Is it normal, when lying in a horizontal ...
1
vote
0answers
15 views

Benefits of being relaxed after reading up on the morning [closed]

I want someone to help direct me to research (if there exists any) of the advantages both mental and physical of waking up in a relaxed manner. To contrast it we have scenario A where your alarm goes ...
1
vote
0answers
23 views

I got by on 2 hours of sleep today. How is that possible? [closed]

I usually sleep for 7-9 hours a day. Recently changed it from a day sleeping schedule (05:00 A. M. To 13.00 P. M.) to night one (24:00 midnight to 09:00 A. M.) Yesterday was Friday, Indian standard ...
6
votes
0answers
88 views

Sleeping during the day instead of sleeping at night [closed]

Is there any difference to ones health outcome if they wake up at night and go to sleep when the sun rises up? To be more specific, what will happen to a person if the sleep cycle is reversed?
1
vote
0answers
56 views

Does stress level goes down or up while sleeping?

Given we are in the same situations, same circumstances and a person is able to sleep fine without any issues. Are we more stressful at night while we are sleeping or during day when we are up in ...
1
vote
2answers
302 views

How much melatonin does the body produce naturally per day?

Melatonin supplements are readily available over-the-counter. However, the dosage is not regulated and there are supplements available in a wide variety of doses. Information on how much melatonin ...
4
votes
1answer
177 views

What is the medical term for paralysis while sleeping?

What is the medical term for the natural paralysis that occurs while a person is in REM sleep? I look it up online, but I only find sleep paralysis which is a misnomer as that actually happens when ...
1
vote
0answers
96 views

Is there a medical problem of too much REM sleep?

I understand that human sleep has a cycle of five stages that can repeat itself several times (depends on how long one sleeps); these are named based on the fifth stage occurring about each 90 minutes ...
1
vote
0answers
39 views

Is it harmful to the human body if we don't turn off the light completely while sleeping? [duplicate]

While sleeping, some people may leave the light on or dim it down, so that perhaps it is equal to a 35W or 20W regular light bulb. In this case, is it true that the pineal gland in our brain won't ...
5
votes
0answers
92 views

Does light pollution affect sleep quality while already asleep?

Many articles on the internet write about melatonin and its effects, making you tired. A lot of articles also point out how the use of devices before going to bed in modern days likely decrease ...
1
vote
0answers
37 views

Is there any medical downside of using a knee pillow when sleeping?

Is there any medical downside of using a knee pillow when sleeping? I have read many webpages that only state the upsides of using knee pillows when sleeping (e.g., https://www.tuck.com/best-knee-...
0
votes
0answers
19 views

What is the effect of still feeling a movement after doing this movement during the day called and what causes it?

After a long day of sailing or a boat, or sitting in a car, or heavy sporting, et cetera, one might feel, while lying perfectly still in bed (or resting in another way), as if the body is still ...
5
votes
2answers
173 views

How much sleep do adults actually need?

The common consensus is that most adults should get 8 hours of sleep a night. However, sleep needs are highly variable, with some people needing more to function properly, and some gaining little ...
2
votes
1answer
2k views

Is it possible to fall asleep while swimming?

Perhaps, if one had been active for hours and goes for a swim during the night, would it be possible for the person to fall asleep or get really sleepy?
2
votes
0answers
60 views

How does sleep affect anesthesia? [closed]

Before surgery that requires anesthesia the patient is told stuff like don't eat. Some people cannot sleep well prior to surgery. Can having a full night or regular good sleep fair better for ...
2
votes
0answers
26 views

Earlier wake-up times in older people

Many studies led to the conclusion that the internal body clock period (circadian rhythm) is actually closer to 25 hours; that is, the clock was thought to drift toward a 25-hour day unless it is set ...
2
votes
1answer
40 views

Sleep apnea: Which is more reliable, a home sleep study or a lab sleep study?

After some research, I'm aware of two different types of sleep studies that are available to detect sleep apnea and determine its severity: In-home study Lab study Which type of study gathers more ...
3
votes
0answers
49 views

All nighter: steady sleep schedule or sleepping in

Staying up all night is harmful, but suppose you are in this situation what is the healthiest response. It is hard to find a scientific answer online on the healthiest response after staying awake all ...
1
vote
1answer
46 views

Which impacts one's sleep more - waking up towards the beginning of a sleep cycle, or the end?

Imagine someone wants to go to sleep at midnight and wake up at 7.30 am, so that they get an ideal five sleep cycles (7 1/2 hours). First scenario: they go to bed at 11.30 and fall asleep within 15 ...
3
votes
1answer
75 views

Is going to sleeping with socks beneficial or detrimental?

I've recently read this piece: Is sleeping with socks on good for you? from "MedicalNewsToday", and supposedly reviewed by a "PhD, RN". Having moved into a poorly-insulated apartment, and being ...
3
votes
1answer
49 views

Is daylight savings linked to heart attacks?

I was told this earlier today and a quick search produced the following Reuters report from 2014: https://www.reuters.com/article/us-heart-daylightsaving/daylight-saving-time-linked-to-heart-attacks-...
0
votes
0answers
162 views

Can excessive Vitamin D cause insomnia or damage sleep patterns?

It seems its well known that low vitamin D can cause sleeping issues, one link: https://examine.com/nutrition/can-supplemental-vitamind-improve-sleep/ Therefore, I became curious and was wondering ...
5
votes
1answer
211 views

Tips to improve the sleep during the night

That I know, I don't have physical and psychological problems, but during the last year I slept pretty bad on purpose (playing, studying, etc ) and I feel that this has negatively affected me. Lately ...
7
votes
2answers
234 views

How to get rid of insomnia naturally?

I know that sleep is important, and on weeks, that I consistently get enough sleep I feel my best. The problem is sometimes I wake in the middle of the night and can not go back to sleep for hours. ...
2
votes
1answer
205 views

Does a computer screen work as a lightbox?

We often hear two related facts: That using a lightbox can help maintain one's circadian rhythm. That using a computer late a night can make it harder to sleep at night due to the blue light emitted ...
13
votes
1answer
239 views

How does poor sleep cause circles under one's eyes?

I've read that poor sleep causes circles under one's eyes. Also, I've read that they are caused by dehydration. Is it safe to assume that the way poor sleep causes the circles is by causing ...
-1
votes
2answers
125 views

How to reduce fatigue after office? [closed]

I work 9-6 in a software company. There's not much physical movement in office. I experience fatigue on reaching home. What can I do on weekends and even weekdays so that I don't feel tired after ...
8
votes
1answer
318 views

Are afternoon naps healthy?

I live in a hostel and I observe that in weekends, some of my friends are very desperate for an outing or a day trip. But there are some exceptional ones who like to sleep after their lunch, and it ...
8
votes
1answer
3k views

Does Benadryl (=diphenhydramine) lead to tolerance? Can I use it to help with sleep?

I am an insomniac and all the sleep medications that I've been prescribed have eventually had no effect on me -- I built a tolerance to them. It's a dangerous thing because I don't want to take lots ...
11
votes
1answer
26k views

What is the physiological process that would cause one to void more than once in the morning?

I have observed that drinking a full glass of water prior to sleeping leads to urination in the morning, as would be expected. However, I have also observed that some people urinate more than once in ...
1
vote
0answers
41 views

Sleeping temperature when suffering from cold

I usually sleep at around 69°F(20.6°C). If the temperature is anything above 71°F(21.7°C), I find it very difficult to fall asleep with my body burning up and all. However, when I am suffering ...
5
votes
0answers
39 views

Effectiveness of blue light filters for preventing delayed and decreased melatonin secretion?

The iPhone offers a "night shift" feature. Research indicates that blue light exposure decreases melatonin secretion (e.g., Ferguson, Melton, Li, Park, & Tosini, 2008). To what extent do built-...
4
votes
2answers
63 views

What are clinically advised methods to improve nocturnal respiration other than CPAP?

Based on conventional medicine, what advice should a physician give a patient who experiences breathing difficulty during sleep that is not determined to require a CPAP machine and for which the root ...
2
votes
1answer
31 views

Why is it harder to get up when forced to wake up?

I only noticed this for quite a while now but never considered it much of a problem but I noted that when I'm forced awake (i.e. someone wakes me up) I feel significantly drowsier versus when I wake ...
3
votes
0answers
57 views

Sleep hygiene in a single-room living space

The principles of sleep hygiene in treating insomnia (one example) include addressing the cognitive links between the bedroom and wakefulness - advising that one leave the bed/bedroom if one can't ...