Nocturnal p3nile tumescence (NPT), commonly known as morning wood, is a spontaneous er3ction that occurs while sleeping or when waking up. Every man who doesn’t suffer from erectile dysfunction experiences NPT, particularly during REM sleep. Getting a morning er3ction can happen at any age.
However, it occurs less frequently around the time when men are in the 60s and 70s. Usually, men experience NPT four to five times during the night, with each erection lasting approximately 25 minutes. Various doctors have studied the reasons for the occurrence of NPT, and they came up with several assumptions
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