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1Adults dream during REM (rapid eye movement) sleep and infants have loads of REM. So, it might be fair to assume that
2babies have tons of dreams. But scientists believe REM serves a completely different purpose for newborns and infants
3than dreaming. When babies are in REM, it allows their brain to develop pathways, connections, and eventually, learn
4languages. Since your baby doesn't dream at this stage of brain development, ifs safe to assume babies do not have
5nightmares, either. Nightmares stem from exposure to trauma (创伤)，an overactive imagination, and the nonnal stresses of
6everyday life. Are you wondering, what do babies dream about? Good question, but the answer is nothing! So, when do
7babies start dreaming? The general consensus is that they start dreaming around the age of two. Psychologist David
8Foulkes studies children (from very small kids to teens) to bring the secrets of their dreams to the light of day. In
9his lab, he lets kids fall asleep and then wakes them 3 times a night and asks them to describe what they recall.
10Foulkes' findings are unsurprising. Basically, little kids have little dreams. But exactly what kids see while dreaming
11depends on their age. As children develop and grow, their dreams do too. Dreams of very small kids are usually just
12snapshots (/快照)，looking much more like a slideshow than a movie, when compared to the dreams of adults. They heavily
13feature animals and other familiar sights, like images o f people eating. According to Foulkes, “Children's dream
14life...seems to be similar to their waking imagination and narration.^^ Kids ages 5—9 begin seeing moving images and
15characters in action. Dreams now include multiple events strung together, one after the other. They also start
16developing greater ability to remember dreams. Still, thafs not always the case: When roused during REM sleep, 25% of
17the kids in Foulkes' studies had no recollection of dreaming, a trend that continues through age 9. So, if your baby
18seems to be in a stressful state while sleeping or is upset upon waking, there may be other factors at play.
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