Metaphysical healing, 229 Michigan, Lake, voyage upon, 45 Northern, summer climate of, favorable to sleep, 45 Milk, peptonized, 64 Mind and matter, communication between, 22 alternate states of action and repose, 15 sleep of, 15 state of, during sleep, 14 Mind-reading, 218, 227 Minnesota, summer climate of, favorable to sleep, 45 Mitchell, S. Weir, observations of, regarding effect of variable barometric pressure, 47 Molecular movement, its relation to the generation of ideas, 24 Moral responsibility in somnambulism, 203 Morphia, 97, 98, 100, 101 Morphine, influence of, on oxidation in the tissues, 10 Mosso, Professor, on the circulation of blood during sleep, 26 on respiration during sleep, 5 Mouth, condition of, during sleep, 8 Muscles, effect of sleep upon, 12 fibrillary twitching of, during sleep, 3 Muscle-reading, 218 Musk, 67, 100, 105 Mustard, 63 Nasal catarrh, state of secretion during sleep, 8 Narcotic stupor, 29 Nerves, of common sensation, affections of, 39, 49 pneumogastric, 51 sympathetic, affections of, causes of insomnia, 50 Nervous disorders, insomnia of, relieved with paraldehyde, 80 hypnotic treatment of, 229 Nervous irritation, effect of, on tissue change, 10 sedatives, 58, 59 stimulants, 58, 59 system, its control over the circulatory apparatus, 26 Neuralgia, cardiac, 99 treatment of, with alcohol, 77 treatment of, with belladonna, 69 treatment of, with preparations of valerian, 68 Neurasthenic patients, 66 New Providence, climate of, beneficial in insomnia, 114 Night and day, alternation of, a cause of sleep, 17 Night terrors, 179 treatment of, 89, 112 Nitric acid, 72 Noctambulism, 169 Noise, sleep prevented by, 41 North China Herald, criticism of Sir E. Hornby’s narrative, 155 Norway, difficulty of sleeping during the summer, 40 Nutrition, effect of sleep upon, 5, 9 disorders of, 52 Obersteiner, his theory of sleep, 20 Odors, effect of, upon sleep, 11 Old age, decline of life in, 113 Omphaloscopy, 217 Opium and opiates, 84, 98 Opiates, use of, in treatment of cachexias, 108 use of, in treatment of fever, 104, 105 use of, in treatment of gastric disease, 103 use of, in treatment of insanity, 96 use of, in treatment of renal diseases, 102 use of, in treatment of rheumatism, 105 Oxaluria, insomnia caused by, 72 Oxygen, absorption of, during sleep, 9 Ozone, use of, in the treatment of asthma, 101 Pacific Islanders, habits of, regarding sleep in the daytime, 40 use of massage among, 61 Pain, a cause of sleep, 19 Paraldehyde, 79, 95, 97, 108 Paregoric, 100 Perception, effect of, upon nervous tissue, 10 duration of, necessary to arouse consciousness, 23 range of, circumscribed by sleep, 12 transfer of, in telepathy and hypnotism, 217 Percussion, 61