Sleep

Chronobiologist Satchin Panda explains in an interview why many people have sleep problems and why melatonin is often overdosed.

Daylight lamps promise relief from winter depression - also known as "seasonal affective disorder". A doctor explains the benefits.

What actually happens in the brain when we dream? And how can memory be trained? Experts have the answers.

A study analyzed how factors such as LED light in the evening affect the release of melatonin.

Caffeine not only disrupts falling asleep but also affects sleep quality. When you should have your last cup of coffee to ensure a good night's sleep.

Researchers were able to link sleep to around 1,000 diseases and predict disease risks using an AI model.

The sleep disorder sleep apnea affects physical health—and according to a study, it also contributes to mental health disorders.

Beyond diet or exercise—a new longevity study highlights the importance of adequate sleep for a long life.

A review article highlights the close connection between magnesium and sleep quality and disorders—and how supplementation might help.

During menopause, many women struggle with sleep disturbances. Learn here what truly helps improve sleep.

Daylight saving time burdens many people and can increase the risk of strokes and obesity. Why isn't it abolished?

Irregular sleep increases the risk of diseases like diabetes and depression. A new study shows clear links

What is non-sleep deep rest? FITBOOK examines the practical technique to enhance focus, sleep quality, and calmness.

Studies show: Yoga Nidra promotes sleep and reduces stress. FITBOOK reveals why you should incorporate yoga nidra into your daily routine.

A recent study examines whether dairy products can cause restless sleep and nightmares. FITBOOK provides insights.

In sleep research, there are three sleep types: early, late, or normal. Which one are you? Take the chronotype test!

Want to sleep well tonight? A new study suggests following a simple dietary rule to improve sleep quality.

Melatonin Products for Children Often Incorrectly Dosed, Unsafely Packaged, and Potentially Harmful, Says Stiftung Warentest

High temperatures can lead to the dreaded nighttime breathing interruptions in individuals with sleep apnea, and that's not all.

What lies behind fatal familial insomnia, the symptoms associated with it, and what is known about its origins.

What Does Living by the Clock Do to Our Sleep? Melanie Hoffmann, an aspiring sleep coach, explores this question.

Lack of sleep can affect the interpretation of blood test results, potentially leading to misdiagnoses. More on the study:

Michelle Obama appears to be well-informed when it comes to sleep. She follows several important rules for a healthy night's rest.

Kiwis Are Said to Improve Sleep–Is That True? FITBOOK Editor-in-Chief Nuno Alves has reviewed studies and shares his experiences.

Natural morning light: when it helps with waking up—and when it might do more harm than good, according to a new study

A Norwegian study shows that screen time before going to bed greatly increases the risk of insomnia.

A study on sleep patterns and depression showed that so-called night owls are more likely to suffer from the mental disorder.

Sleep researcher Dr. Christine Blume explains why we often wake up between 2 and 4 a.m. and offers tips for falling back asleep.