Visual Guide to Sleep Disorders


1) James Holmes / Photo Researchers, Inc. and Jochen Tack /
2) C. Quandt Photography/Flickr
3) Pixel Images
4) Ulrich Niehoff/Image Broker
5) David Sacks/The Image Bank, Anna Moeller/Digital Vision, B2M Productions/Photographer’s Choice
6) Mike Kemp
7) Ryan McVay/Photodisc
8) Radius Images
9) Steve Pomberg/WebMD
10) Alan Powder Drill/Stone
11) storage byte
12) Uppercut images
13) Sean Justice/Photodisc
14) Radius Images
15) John Michael Szczepaniak/Flickr
16) PV Stroheim/Alter Fotostock

17) BSIP/Photo Capture
18) Don Garbera / Photo Shoot
19) Steve Casimiro/Riser
20) The other picture/Botanica
21) Charlie Stebbings/Fresh Food Pictures
22) Inti St Clair/Photodisc
23) Peter Cade / Iconica
24) Silvia Otte/Photonica


National Institutes of Health: “What Causes Insomnia?” “What Is Apnea?” “Who is at risk for apnea?” “How is insomnia diagnosed?”

National Foundation: “ for healthy .”

University of Maryland Medical Center: “Sleep Hygiene: Helpful Tips to Help You Sleep.”

Hirshkowitz, M. Sleep Health, March 2015.

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