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TL;DR: In rats stressed with mild foot shocks, REM sleep, the dream stage, dropped. The insomnia drug suvorexant and two related experimental drugs partly brought it back, and suvorexant also helped the rats fall asleep faster, but this was a small study in 9…
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TL;DR: In a pooled review of 8 studies of 980 people with depression and sleep problems, sleep tests showed more deep sleep and less light sleep after taking trazodone than before. Compared with placebo, though, the deep-sleep gain was not clear, and drowsines…
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A study examined the effects of ketamine on sleep arousal metrics in individuals with treatment-resistant depression (TRD) vs. healthy volunteers, finding that ketamine increases certain sleep-related brain activities but does not significantly mediate its ant…
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New research reveals that the wake-promoting drug modafinil affects markers of sleep homeostasis differently depending on a person’s genetics. Key facts: Modafinil improved sustained attention in people with a certain gene variant but not others after sleep de…
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