Can you solve this sleep medicine-themed crossword puzzle, designed specifically for Sleep Review readers?

SR0317CrosswordThumb Click on the thumbnail to open a printable PDF.

Sleep Medicine-Themed Clues

1 Autotitrating device, abbr.
3 They may occur in all stages of sleep
8 One thousandth of an inch, for short
9 Less costly alternative to PSG, abbr.
10 Symptom of many sleep disorders, abbr.
11 Noisy breathing during sleep
13 Indicating woman’s name before marriage
14 Manage and control medically
16 Sagging, not rigid
18 Sleep medicine professional society, abbr.
20 Catchword
22 Early anesthetic
25 Request
26 Tree that is a symbol of strength
27 Reset or align with the biological clock
30 Run out, as a liquid
32 Grey’s Anatomy’s Sandra
33 Also known as hypocretin
34 Sleep tech key job function

1 Measure of a patient continuing with CPAP use
2 A “watch” that measures sleep
3 Prefix for twice
4 Disorder characterized by an irresistible urge to move when resting, abbr.
5 Drug that can combine with a receptor on a cell to produce a physiological reaction
6 Somnambulism
7 CPAP interface must do this properly to avoid excessive leaking
8 Sleep test done on patients suspected of having narcolepsy, abbr.
12 Normally accounts for about 20% to 25% of total sleep time, abbr.
15 Purpose
17 Chronotype that wakes up early and goes to bed early
19 British title
21 Contagious movement sometimes associated with tiredness
23 An AHI of this number is in the mild range of obstructive sleep apnea
24 Make a mistake
26 Disorder characterized by recurrent interruption of sleep, abbr.
27 Freudian concept
28 Connect
29 Measure of the severity of sleep apnea, abbr.
30 Medical practitioner, for short
31 Density measurement

UPDATE 5/9/17: Here is the answer key. The key is also published in the May 2017 issue. To suggest clues for an upcoming sleep crossword or to sponsor a future puzzle, email sroy[at]


Myles Mellor is a full-time professional crossword puzzle writer who is internationally published.