Sleep
How to live longer: The habit 'most strongly' linked to shorter lifespan after smoking
Researchers believe insufficient sleep may be one of the strongest predictors of an early death
Simple daily habit proves as effective as cognitive behavioural therapy at tackling insomnia
The latest findings are good news for anyone who prefers movement-based therapy over traditional talking treatments
How to sleep: 'I'm a doctor and I use a simple bedtime hack to help me nod off in minutes'
The key to falling asleep quickly may be a mental exercise
