How to sleep at night freely without bad dreams
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Meditation, deep breathing or relaxation exercises may help, too. Also, make the bedroom comfortable and quiet for sleep.

Explanation:

OK wait, i can help. So I had like terrible dreams EVERNIGHT, but it was because of what I was thinking before I went to bed or watching, or even reading, when I started thinking  More positive and watching/reading morep things, I’m not lying, IT REALLY WORKED, though every now and then I get a bit of a scary dream, thats normal though, but I do have weird dreams, just not bad, if that makes sense.

Explanation:

Hope this helps:)

the answer for this question would be d. glaciers

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .