Electric sleep: the gadgetry tracking and hacking the way we rest

As activity tracking goes mainstream, an arsenal of consumer technology is rolling out for sleep. But how much do these interventions help?

Keep it short and before 3pm: what the sleep scientists say about naps

Napping is a symbol of laziness but it can improve our memory, creativity, empathy and problem-solving

From Aristotle to Einstein: a brief history of power nappers

Churchill took naps for at least an hour, Da Vinci for 20 minutes and Dalí for just a second

‘Sleep is venture capital’: employers wake up to benefits of a nap

After lockdown some businesses understand better how flexible working hours enhance productivity

Putting down my phone and picking up a book has saved my sleep

I dreaded doing without my device’s dopamine dripfeed, but insomnia was out of control. Now I’m not only sleeping but reading with real pleasure

Tonight’s TV: Champion sprinter Jonnie Peacock mentors young Paralympic hopefuls

As we prepare for Tokyo’s Paralympics, the athlete puts some youngsters through their paces. Plus: trouble in the tapir enclosure at the zoo … Here’s what to watch tonight

It’s too hot for sleep, or anything except restless thoughts…

Cardboard beds, norovirus, stinking wheely bins… summer’s heat brings agitated nights

‘An eye mask transformed my life!’: 10 readers on how to get a perfect night’s sleep

From weighted blankets to white noise, here are the strategies that can take you from wide awake to well rested

My deep sleep quest: I tried 11 popular insomnia cures. Do any of them actually work?

In lockdown, insomnia has soared. Our tired, intrepid writer tried a range of remedies – including CBD, deep breathing and lettuce water

Readers reply: 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