Yes, memory accuracy and strength can be manipulated during sleep

The sense of smell might seem intuitive, almost something you take for granted. But researchers from NYU Langone Medical Center have found that memory of specific odors depends on the ability of the brain to learn, process and recall accurately and effectively during slow-wave sleep — a deep sleep characterized by slow brain waves.

An astronaut's rhythm

Anyone who has flown long distances will be familiar with the jetlag that comes with travelling across time zones. Our body clocks need time to adjust to different daylight times as high-fliers and frequent travellers know all too well. But what about astronauts, the highest fliers of all? Do they suffer from rocket-lag?

Lack of deep sleep in elderly may prevent brain from storing memories

The connection between poor sleep, memory loss and brain deterioration as humans age has been somewhat of an elusive study over the years.

Mars mission simulation reveals serious sleep problems

The data's in from the simulated Mars mission in which six trained astronauts were shut up for a year and a half. And it seems that long-term missions of this kind do indeed lead to problems for the crew.

Why screen use keeps you awake

It's long been known that using a screen right before bed can make it harder to sleep - and, now, the reason for this has become clearer.

Studying more makes you worse at tests

Studying late into the night actually makes your academic performance worse the next day.

Improve your piano playing while you sleep

Playing music while you sleep can help improve your ability to play the same tune, new Northwestern University research suggests.

API glitch may explain fast-draining phone batteries

Almost a quarter of apps that contain Android's explicit power control APIs, or wakelocks, may have major battery-draining bugs.

Parts of your brain could be sleeping right now

Um... what? Sorry. Now I know there was something I was going to tell you... Got it.

Gadgets lead to insomnia epidemic

The National Sleep Foundation (NSF) is warning people that they should turn off electronic gadgets an hour before bedtime, following a survey showing that they can keep you awake at night.

Taking a nap makes you brainier

Leave this article up on your screen - in case the boss comes by - and settle down comfortably. According to University of California scientists, a lunchtime nap not only refreshes you but can actually make you smarter.