Clinical significance and management of silent myocardial ischemia in patients with angina pectoris and myocardial infarction.

Temporal dynamics of the circadian heart rate following low and high volume exercise training in sedentary male subjects

“…In contrast, in the under 65-age group there is a difference between gender. Of interest is that a peak for males occurs also at 2 a.m. in addition to the morning and evening times (Hu et al 2004;Kishida et al 1989;Mitler et al 1987;Otsuka et al 1997).…”