. 2019 May 31;59(7):1032–1041. doi: 10.1111/head.13567
© 2019 The Authors. Headache: The Journal of Head and Face Pain published by Wiley Periodicals, Inc. on behalf of American Headache Society
This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
Figure 4.
Reported influence of sleep on developing a cluster headache attack.