What is Hypnic Jerk?
What is Hypnic Jerk? Hypnic jerk, also known as a sleep start or hypnagogic jerk, is a sudden involuntary muscle ...
What is Hypnic Jerk? Hypnic jerk, also known as a sleep start or hypnagogic jerk, is a sudden involuntary muscle ...
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© 2021-2023 A unit of DIFM Group - Managed by DIFM LLC.