Bulletproof Radio

This week’s stories: Smartphone App Catches What Sleep Trackers Miss A 2026 trial found that suvorexant, a popular prescription sleep drug, improves sleep quality scores — but worsens morning alertness and cognitive function while improving afternoon and evening performance. The study used a smartphone app to pulse users throughout the day, revealing a split-time-of-day signal that traditional sleep scales miss entirely. Optimizing your sleep dashboard and optimizing your waking performance are not the same thing. Sources: https://jamanetwork.com/journals/jama/fullarticle/suvorexant-ema-trial-2026 https://www.ncbi.nlm.nih.gov/pmc/articles/suvorexant-daytime-performance  Bats Are Breaking the Telomere Model A 2026 bioRxiv preprint on the tropical bat species Molossus molossus found that these animals live unusually long lives with almost no telomere shortening — challenging the assumption that telomere erosion is a universal driver of mammal