research Zolpidem-Associated Dermatitis Artefacta—An Unusual Cause of Cicatricial Alopecia 1 citations , December 2025 in “Diagnostics” Stopping zolpidem improved hair loss caused by self-inflicted scalp injuries during sleep.
research Micro-segmental analysis of the entry pathway and distribution of zolpidem in hair from different scalp regions after a single dose May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.