amount of REM sleep decreases Healthy Sleep slight shift Infants infant sleep cycles and adult sleep cycles child’s sleep pattern depends much upon their age sleep pattern changes ages sleeping amount of time sleeping declines a sleep schedule Harvard Medical School sleep pattern changes normal part of aging sleep pattern changes sleep stages amount of REM sleep decreases as we age http://healthysleep.med.harvard.edu/healthy/scienc... comes easily two types of sleep: Division of Sleep Medicine at Harvard Medical School REM sleep begins to decline experts Neugeborene changes in baby sleep cycling through deep and light sleep research 50 minutes in kids and 90 minutes in adults easily 7 out of every 10 adults sleep pattern changes much longer than adults REM sleep begins to decline REM sleep begins to decline golden age Infants http://healthysleep.med.harvard.edu/healthy/scienc... research change in their sleep patterns eight and nine hours sleep each night explains. age sleep pattern changes Infants sleep pattern changes Harvard University sleep pattern changes