Frequent urination after cohabitation can not sleep, may be cohabitation stimulation caused by urinary tract infection, prostate disease and other reasons. 1. Urethral infection: frequent urination after intercourse is also an increase in urination, may affect normal sleep, if the sex life each other with genitourinary tract infection, it is possible that through the close contact of this close contact, resulting in cross-infection, the pathogenic bacteria into the sex life each other, thus inducing urethral infections, the urethra will be congested and swollen, stimulate the urinary center caused by frequent urination symptoms. In addition, it is also possible that the sexual life process does not pay attention to hygiene, did not wash the vulva in a timely manner, may also induce infection caused by urethritis, resulting in frequent urination symptoms. 2. prostate disease: benign prostatic hyperplasia chronic prostatitis, etc., due to coitus and other stimuli may cause prostate congestion, squeezing the bladder, urethra, which leads to frequent urination after coitus, sleeplessness symptoms. There are many other causes of frequent urination and sleeplessness after intercourse, so it is recommended to consult a doctor in time and follow the doctor’s instructions.