Sperms release

Patient: Im 18 years 4 months old .i have habit of masturbation since my 9th class(at the 14 years) and i used to do it frequently whenever i feel like doing(twice a week sometimes thrice.or more).now i feel like boring and realised that i am doing wrong and quit it two and half months ago and these days i’m getting sleep time releasing of sperms(once a week or sometimes two) .any problem for me and should i take any medical precautions. im worried please help me.