14 September 2022
Photos taken by astronauts on the International Space Station show that streetlights are getting gradually more blue-tinged in many countries in Europe as they switch to energy-efficient LEDs
25 August 2022
In mice, jerky eye movements in the REM phase of sleep correlate with recordings of brain activity in cells that track head orientation
14 March 2022
Leaving even a dim light on while you sleep may disrupt blood sugar control, a small study in humans suggests
8 December 2021
A technique for interrupting the first stage of sleep helps people solve a maths problem – the same approach was used by Thomas Edison and Salvador Dali
3 December 2021
People who work overnight are more likely to develop type 2 diabetes, but the risk may be reduced by eating only between 7am and 7pm
27 May 2019
Our body clocks vary markedly in their response to light before bedtime, with some likely to have their slumber disturbed even by very dim illumination
1 June 2018
Dreams help us store memories, enabling us to learn. Now a study has revealed that it’s the boring dreams we have during deep sleep that are the most important
21 May 2018
How safe is it to drive when you haven’t had much sleep? Just like drinking alcohol, it turns out we’re not always a good judge of how mentally impaired we are
