Whispering for better sleep, and remembering what you learn

Rumination, worry, and negative thoughts disturb our sleep, making them key targets for psychological interventions. Especially during the sleep onset period, negative thinking increases...

Sleeping Tips When Staying Indoors During Isolation Period

Why does getting up at the same time every day make you sleep better at night? How does the time you eat affect your...

The Secrets of Falling Asleep

In the sleep medicine toolbox, doctors differentiate between the disorders of Falling asleep (sleep onset disorder) Staying asleep (sleep continuity disorder) Early morning awakening Our...

The Night, and Sleep, Need Darkness

The Night, and Sleep, Need Darkness We are losing the night.  Most parts of the world are lit up with streetlights and other sources of...

Sleep and Aging: Why Does Sleep Change as We Age?

Sleep is controlled by our “sleep need” and by our circadian clock. This “two-process” model of sleep basically says that we have to be...

Sleep and Memory

by Björn Rasch  Department of Psychology, University of Fribourg, Switzerland Björn Rasch PhD is a sleep researcher and biopsychologist...

Power Naps Bring Power

Power Naps Bring Power Sleep science is very curious about napping. Some people do it, others avoid it, babies are multiple nappers, oldies need to...

Do Insects Sleep?

When your dog is tired, she looks for a suitable place to lie down, closes her eyes, and nods off. There is little doubt...
polyphasic sleep

Dividing sleep across day and night: polyphasic sleep is not for most of us

What do Leonardo da Vinci, Nicola Tesla, and Cristiano Ronaldo have in common? All of them allegedly followed or still follow a so-called “polyphasic...

A Brief Guide to Chronic Insomnia Disorder

What is chronic insomnia disorder? The official Diagnostic Criteria for Chronic Insomnia Disorder provide an excellent “tick-off-list” to determine what symptoms are present, and if...

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