4 ms·not an expert, but isn't the sleepiness part the least of your problems in that situation?by throwawaynay 5y agonot an expert, but isn't the sleepiness part the least of your problems in that situation?ksaj 5y agoIf its because of carbon monoxide building up in the room, it's a pretty big problem.treeman79 5y agoIQ drops a lot with Carbon monoxide. Perfectly obvious stuff like “I’m being poisoned”, doesn’t occur to you.NoPicklez 5y agoI think that might be what the user is alluding to