The psychology of sleep

Obvious typographical errors have been silently corrected. Variations in hyphenation and accents and all other spelling and punctuation remains unchanged.
The quotation from Ballad of Reading Gaol, (Chapter VIII) has been corrected from
And Sleep will not lie down but walks
And wild-eyed cries to time.
And Sleep will not lie down but walks
Wild-eyed and cries to time.
The cover was prepared by the transcriber and is placed in the public domain.
BOLTON HALL “THE PSYCHOLOGY OF SLEEP”
BOLTON HALL, M.A. Author of “Three Acres and Liberty,” “Things as They Are,” “Free America,” etc.
With an Introduction BY
EDWARD MOFFAT WEYER, Ph.D. Professor of Philosophy, Washington and Jefferson College
New York MOFFAT, YARD AND COMPANY 1917