Sleep Cycle watch

「 Sleep Cycle alarm clock 」有免費與付費版，以iPhone 上的免費版為例，雖然沒有付費後解鎖的鼾聲紀錄、長期追蹤、其他睡眠輔助功能。但是最關鍵的「 ...

Relax, sleep better and wake up feeling rested with Sleep Cycle, the smart alarm clock. Track sle...

The sleep cycle is an oscillation between the slow-wave and REM (paradoxical) phases of sleep. It...

There are four sleep stages3; one for rapid eye movement (REM) sleep and three that form non-REM ...

A typical night's sleep consists of about 5-6 full sleep cycles. But each of these sleep cycles i...