It is normal to have night emission.
Thanks for your query,based on the facts that you have posted it appears that you are facing problem of night emission.
Night emission is a normal phenomenon at the age of adolescence and there is nothing to be worried about it.
It gets cured itself once individual starts his normal sexual life after marriage.
Following general measures will help to built up general health and have a sound sleep which will help to reduce the night emission to certain extent.
1) Practice regular exercise for 45 minutes followed by meditation
for 1/2 an hour in the morning.
2) Take high protein diet rich in vegetables and fruits and Vitamin A
3)Take anti oxidants like Almonds 5-6 everyday..
4) Avoid alcohol and smoking
Hope I have answered your query ,please feel free to ask if you have more questions ,I shall be happy to help you
Thanks and Regards.