You can use either format over speakers while you sleep. We have different formats so you have options as to what works best for you. If masked keeps you awake (as it does for me), use ultrasonic.
When you "like" a response, the like button switches to un-like so you can reverse it if you like. No worries.
When you "like" a response, the like button switches to un-like so you can reverse it if you like. No worries.
Subliminal Audio Specialist & Administrator
The scientist has a question to find an answer for. The pseudo-scientist has an answer to find a question for. ~ "Failure is the path of least persistence." - Chinese Fortune Cookie ~ Logic left. Emotion right. But thinking, straight ahead. ~ Sperate supra omnia in valorem. (The value of trust is above all else.) ~ Meowsomeness!
The scientist has a question to find an answer for. The pseudo-scientist has an answer to find a question for. ~ "Failure is the path of least persistence." - Chinese Fortune Cookie ~ Logic left. Emotion right. But thinking, straight ahead. ~ Sperate supra omnia in valorem. (The value of trust is above all else.) ~ Meowsomeness!