32+ What To Do When Your Neck Hurts After Sleeping Wrong US. You can wake up with a stiff neck after sleeping for a few reasons. Why it happens & what to do about it.
The bones are linked together by facet joints.
The position you were in when you slept wrong stressed and strained the muscles, tendons and ligaments of the neck. Don't worry, you didn't do anything wrong. When you side sleep, your head tends to fall toward your shoulder and the bed, and if you don't have a side sleeping pillow, your head will fall too far and bend your neck and upper spine if you deal with pain during the day from sleeping on your side, you may need to do a few stretches in the morning. This has happened to me.