There is something that can happen after a sexual experience, especially if it is an intense one, where you can feel a little…. well, sad. In the BDSM scene it’s called subdrop and in the sex therapy world its called postcoital dysphoria. I personally prefer to call this feeling simply “the drop” when speaking in terms of masturbation. The drop is the body’s natural response to an orgasm, where your heart rate gets lower, you relax, you feel tired. Hormones are released, such as oxytocin, vasopressin, and for men prolactin. Each of these are related to sleep in some way so it is only natural that we feel a sort…