ZzzQuil is an over-the-counter medication for treating short-term sleeping difficulties. However, ZzzQuil is not suitable for younger children, and people with certain medical conditions should speak to a doctor before using it. At the recommended dosage, ZzzQuil is not addictive. Learn more here.
Melatonin is a hormone that the body produces when it gets dark to signal that it is time to go to sleep. Melatonin supplements can help people with sleep problems get a good night’s rest. Learn more here.
Even when resting or asleep, the body is continuously burning calories to stay alive and healthy. A person can estimate how many calories they burn while sleeping by first calculating their basal metabolic rate (BMR). BMR is the number of calories that the body burns each day when at rest. Learn more here.
Brain activity differences may help explain why distress from bad memories grows stronger in people with insomnia but fades in those without insomnia.
From how many hours of sleep we need each night to whether or not loud snoring is normal, new research examines widespread beliefs about sleep.
Five new studies conducted as part of a doctoral thesis show how sleep loss affects a person's emotional perception and emotional response control.
It is not clear how long a person can go without sleep, but in a famous 1964 experiment, a person managed to stay awake for 264 hours. Sleep deprivation can negatively affect energy levels, mood, and cognitive functioning. In the long term, it can increase a person's risk of several chronic conditions. Learn more here.
New research finds an autoreactive type of immune cell related to narcolepsy, adding to the mounting body of evidence that the condition is autoimmune.
Researchers have uncovered evidence suggesting that sleep loss can make us want to avoid social contact, while also sending a 'keep away' signal to others.
Hypnic jerks are muscle twitches that many people experience as they are falling asleep. Learn more about why they happen and their possible triggers here.