Why am I always tired on the sofa, but wide awake once I go to bed?

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

Sleeping badly? Jump straight out of bed and get exercising

Poor sleep quality could shorten your life, but research finds strenuous physical activity may undo some of the damage

Burnout breaks: is extra holiday time the answer for tired, traumatised workers?

All employees at dating app Bumble are being given a paid week off work at the same time – and other companies are following suit

The lark advantage: why naturally early risers are happier than night owls

The time you wake up every morning is baked into your DNA – and it could have an impact on your mood and wellbeing

‘I was losing my mind’: can baby sleep gurus really help exhausted parents?

Growing numbers of frazzled parents are paying a fortune to people who claim they can help them get a good night’s rest. Are they being taken for a ride? Plus a doctor’s top tips for children of all ages

Snoring, slugs and sarcoptic mange: is it safe for cats and dogs to sleep on our beds?

Dogs can carry bacteria and parasites, while cats smuggle in gory ‘presents’. So is it best to lock them out of the bedroom?

Middle-aged people who sleep six hours or less at greater risk of dementia, study finds

UCL data of 10,000 volunteers shows cases 30% higher among those who slept poorly in their 50s, 60s and 70s

Share your tips for getting a better night’s sleep

If you’ve got some advice for sleeping better, we’d like to hear about it

I stopped getting up early during the pandemic – and have never felt better

A lot of millennial culture focuses on the idea of maximising your mornings. But sleeping in gave me new focus and calm

Top Snore-ty: can sleep-oriented pop remixes help our critic drift off?

‘Sleep-inducing’ is rarely a compliment, but Meditation app Calm hopes to have listeners nodding off with its hour-long remixes of hits by the likes of Ariana Grande and Katy Perry