What should I do if my baby can only sleep with the nipple in his mouth? First of all, in addition to exclude the baby has somatic diseases, can be used gradually subside method, the specific implementation method is as follows: 1, in the baby to sleep can be put into bed, if there is crying to wait for 5 minutes and then picked up, picked up only to give verbal or physical contact, but not to give the nipple to comfort, comforting time is not more than 2 minutes, and then put into bed again. 2, when the baby cries again, the waiting time is more than 5 minutes, gradually increase the time until the maximum tolerable limit, which depends on the family and parents to tolerate the degree and expectation of the nipple will be significantly improved after 2-3 weeks of treatment. When crying again, wait for more than 5 minutes, gradually increasing the time to the maximum tolerable limit. Generally, there will be obvious progress after 2-3 weeks of treatment, which depends on the tolerance and expectation of the family and parents. If this habit is not broken, a sleep-dependent sleep disorder may develop later.