Theta waves (4-7 Hz) are common in the lighter stages of sleep or the transition from waking to sleeping. Delta waves (0.5-4 Hz) signify a state of deep sleep. A binaural beat with a frequency ...

Healing Song, Music to Relieve Headaches, Delta/Theta/Gamma Meditation Binaural Beat BrainSync Relaxriver provides you music for relaxation, study and meditation. We are a collective of musicians ...