Sleep
Latest about Sleep
Human brain looks years 'older' after just one night without sleep, small study shows
By Rebecca Sohn published
A study suggests that just one night of sleep deprivation may be linked to structural changes in the brain, similar to those seen in aging.
What is sleep talking? We look at the science
By Amy Arthur published
Discover the science behind sleep talking, a behavior that over half the general population experiences at some point in their life.
How does alcohol affect sleep?
By Joanne Lewsley published
A nightcap can often make people feel tired, but how does alcohol affect sleep?
What is sleep hypnosis and does it really work?
By Lou Mudge published
Sleep hypnosis could be a potential therapy for sleep disorders, but more research is needed.
How does caffeine affect sleep?
By Louise Bond published
It may boost alertness and concentration, but how does caffeine affect sleep?
Brain cells gone haywire during sleep may lead to chronic pain, mouse study suggests
By Nicoletta Lanese published
A mouse study hints at why chronic pain and poor sleep are linked.
Insomnia: Causes, symptoms and treatment
By Rachael Rettner last updated
Insomnia is a sleep disorder that makes it difficult to fall or stay asleep.
Can't sleep? An expert reveals why anxiety may be worse at night
By Louise Bond published
Experiencing anxiety at night can interfere with sleep.
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