In the graph below, you can see how I slept ... however this depends on factors like your age and health. The longest cycles of deep sleep happen early in the night, getting shorter as the night ...

Exercise plays a key role in maintaining a healthy sleep cycle. Engage in at least 30 minutes of physical activity most days, but avoid vigorous workouts too close to bedtime. If winter makes it ...

A healthy sleep cycle is essential for your overall well-being. It is important to maintain your sleep-wake cycle, known as your circadian rhythm. However, things like routine changes, shift work ...

People who take longer to enter a key part of the sleep cycle are more likely to develop dementia, suggests a new study. Taking longer to enter the dream phase - known as rapid eye movement or REM ...