From sleep hygiene strategies to supplements ... That third tone is the binaural beat. It's heard at a frequency that's the difference between the other two frequencies. For instance, if your right ...

Delta waves (0.5-4 Hz) signify a state of deep sleep. A binaural beat with a frequency between 4 and 7 ... If any negative side effects are noticed, it’s best to stop and consult a therapist ...

Brain entrainment has recently garnered increasing interest as a technique that leverages the brain’s natural wavelength to synchronise with external rhythms, for improved concentration, relaxation ...