Occurs when there is a chronic deficiency in sleep.
jet lag
rotating shift work
circadian rhythm
sleep debt

Which sociologist posits that, as a society modernizes, it must rely less on tradition, and more on rational, and impersonal procedures?

What do these fatwas indicate with regard to the balance between practical legal reasoning and religious dictates answers?

2) based on the information, which is an opinion rather than a fact about immigrants to north america? immigrants