Table 1.

Circadian variation in stroke occurrence according to stroke type.

Stroke Type		Circadian Pattern of Occurrence	References
IS	LAA	Major peak in the morning ± minor peak in the afternoon	[8,9,14,19,22,24,25]
	Cardioembolism	Major peak in the morning ± minor peak in the afternoon	[8,9,14,19,20,21,24]
	Lacunar stroke	Morning peak or night peak	[8,9,14,19,20,24] [6,7,10]
ICH		Morning peak or afternoon peak	[8,20] [16,25]
SAH		Higher occurrence between 10:00 a.m.–4:00 p.m.	[8,26,27,28,29]

IS—ischemic stroke, LAA—large artery atherosclerosis, ICH—intracerebral hemorrhage, SAH—subarachnoid hemorrhage.