You must fight these feelings as they are waswas from the shaytaan.
Try your level best to go to bed early and drink water before going to
sleep so that this will wake you up in the night to get up for
tahajjud. Make du’a to Allah to help you and keep you guided. You must
also change your environment and surround yourself with righteous
practicing Muslims 24/7Please also watch this:
Kindly refer to the following link(s):
https://www.facebook.com/Sheik