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General remarks. Hints to fathers.-SEC. 1. Proper hours for repose. Dark rooms. Noise.-SEC. 2. Place for sleeping. Sleeping alone-reasons.-SEC. 3. Purity of the air in sleeping rooms.-SEC. 4. The bed. Objections to feathers. Other materials.-SEC. 5. The covering of beds. Covering the head.-SEC. 6. Night Dresses. Robes.-SEC. 7. Posture of the body i