Naproxen.
D005260:Female; D006261:Headache / Q000139:chemically induced; D006801:Humans; D008875:Middle Aged; D009288:Naproxen / Q000009:adverse effects*; D009325:Nausea / Q000139:chemically induced; D012894:Sleep Stages / Q000187:drug effects
D009288:Naproxen