Even though people in hospitals need plenty of sleep, hospitalization is seldom restful. Nighttime awakenings for various tests can disrupt sleep. This can cause grogginess, delirium and falls. To ameliorate this problem, researchers designed a study known as SIESTA (Sleep for Inpatients: Empowering Staff To Act).
SIESTA urges doctors and nurses to avoid nighttime disruptions that are only minimally valuable, such as awakening patients overnight to measure their vital signs or to administer non-urgent medications.
“Efforts to improve patients’ sleep are not new, but they do not often stick because they rely on staff to remember to implement the changes,” said the study’s lead author Vineet Arora, MD, professor of medicine at the University of Chicago and an authority on optimizing patient care in teaching hospitals, including disrupted sleep.
Arora and colleagues interviewed patients about barriers to sleep and taught physicians and nurses how to use the sleep-friendly tools in the computer system. These efforts helped prevent needless disruptions.
The study focused on two 18-bed general medicine units and lasted one year. From March 2015 to March 2016, 1,083 general medicine patients were admitted either to the SIESTA-enhanced unit or to a nearby standard hospital unit. While physicians who were trained in use of the nighttime orders rotated in both units, nurses in the SIESTA-enhanced unit received additional coaching to advocate for patients with physicians in that unit. While sleep-friendly orders increased in both units, the SIESTA-enhanced unit saw the most significant changes.
In the SIESTA unit, decisions to forego nighttime vital signs every four hours increased dramatically, rising from 4 percent to 34 percent. Sleep-friendly timing of nighttime medications such as anticoagulants to prevent blood clots rose from 15 percent to 42 percent. Nighttime room entries decreased by 44 percent.
Patients experienced six fewer room entries during sleeping hours. Patients noted four times fewer disruptions due to medications and three times fewer disruptions due to routine vital signs. The unit also saw an increase in the nationally used quiet-at-night patient experience measure.
The authors conclude that physician and nursing education, coupled with changes to the EHR, led to a significant reduction of orders for overnight vital signs. It also led to more appropriate administration of nighttime medications in both the SIESTA and the standard unit.
They add, however, that the virtues of a sleep-friendly environment “depend on the unit-based nurses championing the cause.” The initial emphasis on limiting nighttime room entries, for example, eventually faded, but sustained improvements were seen after nurses added SIESTA to their nursing unit huddles.
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