How to fix all of your sleep problems with science

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It seems like it's getting harder and harder to get a good night's sleep.

A myriad of distractions are constantly in cahoots to keep you from getting enough shut-eye.

We're supposed to get seven to nine hours of sleep, but many Americans don't hit that target every night.

Sleep can provide incredible health benefits — from helping us lose weight to improving our memories, and even making us happier.

So when you're lying in bed with one of these nine common sleep problems, here's what the science says you should do:

Strategically placing pillows is a good way to relieve all sorts of pain. If you wake up with a sore shoulder, try hugging your pillow when you’re going to sleep.

Sources: Mayo Clinic, Hennepin County Medical Center

Sleeping on your stomach is probably not the best position if you have back pain, though a pillow under your legs can help. If you sleep on your side, try a pillow between your legs to relieve discomfort.

Source: Mayo Clinic

If your pillow doesn't hold its shape, it's time to get a new one.

Source: Journal of Pain Research