When you buy through our links, Business Insider may earn an affiliate commission. Learn more For some people, sleeping in their favorite old t-shirt and hole-ridden sweatpants is what works for them.

I take my pajamas seriously. Not in a luxurious, silk-only kind of way, but in a “I-wear-these-every-night, wash-them-constantly, and still expect them to look good” kind of way. Sleeping in real ...