No problem, A depressant, such as alcohol, can make you go to sleep and not remember any dreams the next morning. but in some stimulants, it can cause increased recall and lucidity. As for stress, relieve it by playing video games, meditating, or anything that calms you down.

Side note: Taking any depressants cause REM rebound, usually the night after consumption. REM rebound happens when REM is suppressed the night before, thus doubling the REM. In turn, giving you amazing vivid dreams.