Traditional alarm clocks wake you up at a specific time regardless of what stage of sleep you're in. Sleep Cycle can wake you up when you're in your lightest sleep stage. Having used Sleep Cycle for ...

Non-24-hour sleep-wake disorder (N24SWD) occurs when your sleep-wake cycle gradually shifts out of sync with the 24-hour day. It affects about half of blind people, but it can also affect those with ...

Sleep regularity (waking up and going to bed at the same time every day) could be more important than sleep duration in predicting heart attack and stroke. A new study found that even when individuals ...

Circadian rhythms, the internal biological clocks that regulate our daily activities, are essential for maintaining health and well-being. While the role of transcription in these rhythms is ...

Using a simple tool like a sleep cycle calculator can help you pinpoint the optimal time for you to sleep and wake up. “Each stage of sleep plays a different role in promoting physical and mental ...

In general, most adults need between seven and nine hours of sleep per night. Someone who gets this recommended amount will generally go through between four and six sleep cycles (all of the sleep ...

Noise from aircraft at night is linked with disturbed sleep quality and sleep-wake cycle, a new study using movement trackers has shown. Environmental health experts at the University of Leicester ...