For some people, sleeping in their favorite old t-shirt and hole-ridden sweatpants is what works for them. Now there's certainly nothing wrong with wearing what makes you feel the most comfortable.

Alison is a fashion contributor with over a decade of experience covering everything from personal style to shopping recommendations and emerging trends. She is also a travel writer, having covered ...

Also worth mentioning is that I am a notoriously hot sleeper (think: waking up in a light sweat even with cooling bedding and the fan on full blast). So breathability is a nonnegotiable for me. These ...