Hydrolyzed chicken extract (ProBeptigen®) on sleep quality in healthy individuals: a secondary analysis of PSQI global and component scores from a randomized double-blind trial (opens in new tab)

Background/objectivesPoor sleep is a prevalent health issue. This secondary analysis examined the effects of hydrolyzed chicken extract (ProBeptigen®) on sleep quality outcomes using data from a previously completed single-center, randomized, parallel, double-blind, placebo-controlled trial.MethodsFifty-two healthy subjects with poor baseline sleep quality (Pittsburg Sleep Quality Index, PSQI global > 5) had been randomly assigned to receive either ProBeptigen® 670 mg (n = 24) or a placebo (n...