Effect of a Wrist-worn Device That Produces a Small Vibration on Sleep and Performance That Can Occur During and After Night Shift Work

Exclusion Criteria

• •An individual will be excluded if they report:
• •1. a medical condition or diagnosis that may impact their blood pressure or heart rate;
• •2. taking any standing medications or prescriptions, other than over the counter medications or contraceptives, that may impact their blood pressure or heart rate;
• •3. are unable to adhere to the study protocol that involves abstaining from alcohol, tobacco products (nicotine), and moderate to intense exercise during the study protocol and data collection periods;
• •4. have a physical condition that may limit use of non-invasive devices applied to the wrist, upper arm, or chest for data collection purposes.
• •5. being pregnant.
• •6. "heavy" alcohol use as defined by the CDC (8 or more drinks per week in women or 15 or more drinks per week in men)?
• •Because participants will have their sleep interrupted during the in-lab sleep opportunity, it is important that staff and the study team know if the participant has ever experienced the following:
• •A\] Sleep Paralysis; B\] Night Terrors; C\] Have Obstructive Sleep Apnea which requires the use of a CPAP Device; D\] Become angry towards others when abruptly woken up; E\] Become physical towards others when abruptly woken up.
• •Mild annoyance and feelings of fatigue or sleepiness with being woken by staff is expected and not a reason for exclusion in this research study.
• •Answering YES to any of the above (A-E) will result in a discussion with the study team physician to discuss with the individual and make a determination if the individual can or should participate in this research study.
• •All who voluntarily participate should be without significant health issues and without health concerns that may affect their blood pressure.
• •All who voluntarily participate should not be on medications that fall within the following categories:
• •A\] Antihypertensives; B\] Analgesics; C\] Beta blockers; D\] Diuretics; E\] Stimulants; F\] Sedatives; G\] Steroids.
• •Participants must not take any medications with sedative effects or effects on sleep during the study protocol and data collection periods (such as NyQuil).