The bedsheet format was the size of many magazines published in the United States in the first quarter of the 20th century. Magazines in bedsheet format were roughly the size of Life but with square spines.

Bed sheet
Bedsheet
Bed sheet
The "bedsheet"Babinski
The cough and the bedsheet
Thermal Comfort of Bedsheets Under Real Conditions of Use
A dense pressure sensitive bedsheet design for unobtrusive sleep posture monitoring
Sleep posture analysis using a dense pressure sensitive bedsheet
On-bed monitoring for range of motion exercises with a pressure sensitive bedsheet
Patient monitoring system employing array of force sensors on a bedsheet or similar substrate
Patient monitoring system employing array of force sensors on a bedsheet or similar substrate
Behavioral management of psychogenic cough: alternative to the "bedsheet"and other aversive techniques
A new tool for malaria prevention?: Results of a trial of permethrin-impregnated bedsheets (shukas) in an area of unstable transmiss...