驗證網址www.brainsync.com安全性

Slow Wave Sleep | Brain Sync | Brainwaves for Sleep MP3

In the Delta state you are sound asleep. Delta waves are the slowest of all five brainwave frequencies and range between 0-4 Hz. Relieve Insomnia Slow Wave Sleep or SWS, is the deepest of sleep states and it plays a vital role in health and well being. Du...

網址安全性掃描由 google 提供