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Questions tagged [sleep]

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

-2
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0answers
21 views

Dry mouth and nose in a room with normal humidity [on hold]

I moved to a new place. At first I slept normal but after a week or to I started to wake up between 2-6 AM because of the sensation of dryness in my mouth and nose. I usually drink around a liter of ...
0
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0answers
11 views

Like “Aconite” is an undetectable “Poison”, which are the fast-acting strong “Sedatives”, which are undetectable? [on hold]

According to the field Medical Sciences, like "Aconite" is an undetectable "Poison", which are the fast-acting strong "Sedatives", which are undetectable?
0
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0answers
32 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 ...
2
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0answers
27 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 ...
2
votes
1answer
39 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 ...
6
votes
1answer
77 views

Does caffeine have any distinct biological effects to adrenaline?

Adrenaline usually is a "panicking response" and should, as far as I understand it, supresses any feelings of tiredness. However, someone I know has agoraphobia, which when triggered releases a lot of ...
1
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0answers
26 views

Is there a long-term risk to sleeping in a hammock regularly?

There seems to be very little research on long-term health or spine drawbacks to sleeping in a hammock (anything besides individuals informal blog-type posts). Just one study about sleeping in a ...
1
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0answers
16 views

Why do I wake up at night, feeling I have to solve a problem? [closed]

It happens every once in a while that I wake up feeling I have to solve a particular problem. Like a math problem or something considering work. I believe before waking up I dream about solving it and ...
11
votes
1answer
135 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 ...
2
votes
1answer
27 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 ...
4
votes
2answers
44 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 ...
3
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0answers
79 views

Why can't one “catch up on” sleep?

I've repeatedly heard it said by sleep experts that one cannot "catch up" on missed sleep.[citation needed] The best explanation of that statement I've heard so far is that a lack of sleep has ...
2
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0answers
47 views

Why do we sleep? [closed]

I was reading many things about sleep. But I am very curious about knowing why do we sleep. Is it only for trashing out toxic materials or is it anything else?
0
votes
1answer
31 views

Evening lighting that doesn't work against sleep cycle

I have read that blue light entering the eyes is the channel through which light influences the sleep cycle. (I am not sure if this is correct, please do tell me if it is or if its a myth or an ...
0
votes
0answers
22 views

Is it good for health to regularly do a nap and divide sleep into two?

I am trying to adapt to biphasic sleep. I would ideally do something like 00:00 - 06:30 and a nap from 15:30 to 17:00 (Or the sleep amount that I require to fulfill my sleep needs). I have been ...
1
vote
0answers
26 views

Normal Sleeping Heart Rate Range

I recently got a heart rate tracker and I've noticed that when I sleep my heart rate consistently spikes fairly high. It has reached 165 bpm before, but most times it's under 150. That seems a bit ...
7
votes
1answer
89 views

Coffee for solving sleep problems?

In this post I asked whether Coffee use could cause an increase in adenosine levels as a result of the body’s adjustment to lower adenosine receptor activation. An answer stated that coffee use ...
2
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0answers
24 views

Why do teenagers produce their melatonin later than everyone else

Does anybody have a theory why this change happens to teenagers? Everything I have read agrees it does happen, but nobody seems to suggest a reason why this has evolved. Biology’s cruel joke goes ...
4
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1answer
49 views

Does caffeine boost adenosine buildup?

Caffeine blocks adenosine receptors, thereby reducing the effect of adenaline. It seems plausible to me, that blocking adenosine receptors should (perhaps ironically) increase the rate of adenosine ...
2
votes
1answer
74 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 ...
4
votes
1answer
75 views

When should we sleep?

Is sleeping every day from 4 am to 10 am is equivalent to sleeping from 12 to 6 am at night? Also, what is the best time to go to sleep at night? And how many hours of sleep is necessary for good ...
2
votes
0answers
9 views

What are the effects is a person has a regular amount of Deep Sleep and REM sleep but a lot less Light Sleep?

It's commonly said that it's important that we get enough total sleep time. I however wonder how important the time in Deep Sleep and REM happens to be. What are the effects when a person has a ...
4
votes
0answers
45 views

When working graveyard shifts, is it possible to sleep well and stay healthy?

Shift work is known to be harmful to our health. Are the health effects actually avoidable? Some companies need shift work which means some people have to do shift work. Have people successfully ...
1
vote
1answer
56 views

Relationship between sleep deprivation and itchiness

Obviously, itchiness can cause sleep deprivation to human as shown in many clinical cases. But I want to know if a sleep deprivation can cause itchiness or at least confuse our brain of spotting itchy ...
2
votes
0answers
32 views

What effects can be expected for a 15-year old girl getting 4-5 hours of sleep per night? [closed]

Say a 15-year old girl on average falls asleep around 3am and wakes up around 7am, over a very long period of time. What short-term and future mental/physical effects can be expected?
0
votes
0answers
48 views

Is it possible to “sleep” while aware and cognizant?

I have a scenario, but before I begin, I would like to clarify that this is not Sleep Paralysis, nor Lucid Dreaming, nor what I understand a Trance to be. Let's say that someone decided they needed ...
2
votes
0answers
24 views

How effective are digital blue-light filters for secretion of melatonin & getting to sleep?

Programs like f.lux (Desktop Application) and features like Night Mode (iOS) claim to reduce the blue light being emitted from a digital screen to improve sleep. Is this true, and if so, how effective ...
0
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0answers
5 views

Quantitative study on effect of screen light before bed on sleep quality?

I am looking for a study that analyses whether looking at TV/computer screens before bed results in worsened sleep. Do you know of such studies?
1
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0answers
19 views

Authoritative Source on Sleep Requirement

What is the hours of sleep required for someone over 70. My Dads Dr (Internal Medicine) said at least 5 hours, yet Internet sites say 7 to 8. Which Internet site is authoritative source for sleep ...
2
votes
0answers
23 views

How can I avoid snoring when not sleeping at home?

I have the nasty habit of snoring quite loudly while sleeping. At home, I have a special pillow that reduces my snoring by about 90%. Now I am travelling abroad, and forgot my magic pillow. This is ...
0
votes
0answers
32 views

I have nightmares about sleep. How do I find out if they are actually real?

So, I occasionally I have a dream (nightmare) where I am lying in my bed having sleep paralysis. I try to move and wake up and stuff (I can usually recognize what is going on, at least partially), but ...
3
votes
0answers
25 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-...
1
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0answers
18 views

GAD67 Effect on Sleep

Glutamate decarboxylase enzyme converts Glutamate into GABA. Also increase in gaba levels decrease gad activity! why does increased gaba levels decrease GAD activity?
1
vote
1answer
40 views

Prevention of numb limbs caused by sleep posture

About a month ago I woke up to my right arm completely numb forearm onwards. It was completely dead and I could swing it around. It took a few minutes for it to come back alive and I didn't care about ...
1
vote
0answers
26 views

how to stop wrinkles on face when sleeping on stomach

How to stop wrinkles on face when sleeping on stomach ? or Is this a myth that we get wrinkles if we sleep on stomach ?
4
votes
0answers
37 views

What is sleep pressure?

What is sleep pressure? I was reading an article on melatonin, and one of the commenters said something about 'sleep pressure'. I did a web search to see what it was, but web searches don't often ...
0
votes
0answers
27 views

Is 8 hours of sleeping or 8 hours of sleeping and resting combined recommended?

Getting 8 hours of sleep is widely recommended. Are sleep studies talking about being in bed for an eight-hour period during which one seems to sleep, or about actually getting 8 hours sleep (...
0
votes
1answer
85 views

Why do I feel dehydrated when I wake up very early? [closed]

Occasionally I have to get up very early for flights, surveys etc and only get a couple of hours sleep. As soon as I wake up, my throat feels completely dry and I am extremely dehydrated. The only way ...
4
votes
2answers
80 views

Sleeping 6 hours discontinuously every day

During the last year I think the 90% of the times I can't sleep for more than ~4.5 hours continuously (which corresponds to ~3 cycles), then I'm awake for ~30 minutes trying to sleep, but if I fall ...
1
vote
1answer
81 views

Does Clinical death experience and sleep paralysis experience the same? did anyone die due to sleep paralysis?

Does Clinical death experience and sleep paralysis experience are the same? did anyone die due to sleep paralysis?
3
votes
1answer
105 views

Naps are extremely effective for me. Any explaintion?

My naps are very, very short and tend to last between a few seconds to a few minutes(this was confirmed both by other people who saw me and by measuring the time). When I wake up I feel very ...
1
vote
1answer
74 views

How much water weight is it normal to lose while sleeping?

When you sleep, you sweat out and breathe out some water, but how much is normal to lose, assuming you're not actively trying to make yourself sweat?
-1
votes
1answer
34 views

What is the name of this disease, it's cause and cure? [closed]

I suffer from the following condition: Mainly in the rainy season sometimes from being asleep I wake up. But neither I am able to open my eyelids, nor move any body part. But I am fully conscious. I ...
3
votes
0answers
32 views

Safe way to increase salivation at night/during sleep

While sleeping salivation is usually decreased. If you are sleeping and have a blocked nasal tract (rhinitis, allergies) or just an open mouth you further dry out your mouth. Other causes might also ...
7
votes
2answers
165 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. ...
0
votes
0answers
62 views

Cold shower. How to and details

I have read the benefits of cold showers. I find very difficult to put in practice and still have many questions about what is the best way to do it: Should the water be absolutely cold?. I mean, ...
0
votes
1answer
49 views

Is there a mental disorder that causes people to do things in their sleep?

As the title says, what can cause high amounts of activity during one's sleep? Activity like: switching on lights, and walking around outside.
2
votes
1answer
61 views

Does conscious sleep impair immunity?

It's common knowledge that getting insufficient sleep makes people immune-compromised. However, what about light rest? In particular, if you spend a significant amount of sleeping hours conscious (...
-1
votes
2answers
103 views

How to reduce fatigue after office?

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 ...
1
vote
1answer
34 views

In-ear earphone to sleep [closed]

I live in an apartment where sometimes neighbors make noise at bedtime. I have trouble sleeping, any noise, if it isn't a constant noise, bothers me. So, I started listening to music before bed and it ...