Cyproheptadine
"Cautiously wanted to try at low dose first. However, first time I needed it, I happened to be at migraine treatment center (at a hospital). We agreed this was the safest circumstances to try something new. Within a half-hour, I pressed nurse call-button: had trouble keeping my eyes open! Minutes later: unintended sleep. 
Dosage too high &/or interaction with recent dose of Toradol? (Toradol makes me sleep a few *hours* later - which is why I was at hospital.) Have not yet tried it again. Would try 1/4 of dose next time - & not near time frame of Toradol - & not when alone. No other side-effects. No way to judge effectiveness. Primary goal if first trial is "can I tolerate this?" Second trial is to find out if dose is enough for effectiveness."