Assertion: tryptophan's effect | /r/HasProperty | positive
Facets:
Source sentences:
text: Several studies have proven that tryptophan has a positive effect on sleep by shortening the time we take to fall asleep and by prolonging the REM phase.
text: In conclusion, tryptophan had a positive behavioral effect in this experiment, and vitamin E and Sedafit mediated an increase in some heart variables, suggesting sedative and antianxiety effects.