Dreaming and nitrous oxide.
D004325:Dreams / Q000187:drug effects*; D004569:Electroencephalography; D006801:Humans; D009609:Nitrous Oxide / Q000494:pharmacology*; D011584:Psychology; D012890:Sleep / Q000187:drug effects*; D012894:Sleep Stages; D012895:Sleep, REM / Q000187:drug effects
D009609:Nitrous Oxide