1 / 8 Coffee

We probably don't have to explain why you shouldn't reach for an espresso at 10 p.m. But, turns out, your afternoon coffee habit can affect you for longer than you'd expect. In fact, that caffeine can remain in your system for hours, making even a 4 p.m. pick-me-up a bad idea. Baron recommends steering clear by the early afternoon. And don't forget coffee-<em>flavored</em> treats, she warns. Your favorite cappuccino-flavored ice cream can give you a surprisingly strong jolt. Of course, you've probably heard that a little tea before bed is a good idea. The caffeine content is smaller than in coffee, and herbal "sleepy time" varieties often contain <a href="https://www.huffpost.com/entry/natural-insomnia-remedies-treatment_n_2006136#slide=1676375">sleep-promoting herbs like valerian or chamomile</a> that can, indeed, help you nod off.

<a href="http://www.flickr.com">Flickr</a>:<a href="http://www.flickr.com/photos/63723146@N08/8461493952">rockindave1</a>