People in technologically primitive cultures get no more sleep than the rest of us, research shows.
Three couples whose marriages are under pressure because of snoring tell Sadie Nicholas their bedtime stories.
Sleeping well helps the body 'remember' how to fight infections, researchers believe.
Barbara Moffet has trouble sleeping - so her doctor sends her off to a sleep lab.
Children who have trouble sleeping are more likely to develop mental health problems, researchers warned recently.
Some experts now see a good night's sleep as the 'third pillar' of health.
The latest must-have for the super-rich is to have a separate 'snoring room' to which they can banish their noisy partner.
Drinking strong coffee in the evening can fool our body into thinking we are in a completely different time zone.
Researchers say we snooze better when we have access to nature, whether it is a beach, a park or a nice view.
Simmy Richman says theories about sleep are all very well - but there is the real world to contend with.
Teenagers can lose as much sleep each week as doctors who work 24-hour shifts.
Counting sheep to fall asleep doesn't come easily to everyone, and now scientists believe they have figured out why.
Scientists believe sleep makes memories more accessible and sharpens our power of recall.
Staying up all night - or disrupted sleep - may have more serious health implications than was previously thought.
People with persistent sleep disorders have more than twice the risk of suffering a heart attack, according to scientists.