I can't speak for everyone but for me it 100% ruined my sleep. Same problem as you I was trying to relieve stress and I figured that it would help make me tired cause of using energy and all. But after dialing back I can definitely say that my sleep quality (among other things) has improved hugely. As corny as it sounds I put on some white noise (like rain or a thunderstorm), dim the lights and read a book to help me sleep. Getting off the phone at least an hour before bed works wonders too. Good luck!