The lack of morning erections may be related to age, sleep, bad habits and disease factors, whether it will affect fertility can not be generalized. 1. Age: After sexual maturity, the number of morning erections will gradually decrease or even disappear with age. As long as a man’s sperm quality is normal, it will not affect fertility. 2. Sleep: Lack of sleep will affect the secretion of androgen, which will trigger the phenomenon of no morning erection. As long as you get enough sleep, it will gradually recover and will not affect fertility. 3. Bad habits: Smoking, alcoholism, etc., can also lead to the lack of morning erections in men. The nicotine and tar in tobacco and the alcohol in alcohol can affect the male reproductive system to different degrees and may even affect fertility. 4. Disease factors: such as high blood pressure, lumbar disc herniation caused by this phenomenon, basically does not affect fertility. However, the disappearance of morning erections caused by reproductive system diseases such as prostatitis may affect fertility. Men who have lost their morning erections can seek medical attention to identify the cause of the problem and get targeted treatment.