Category: Parameters

Parameters

‘DAYLY’ Debuts AM/PM Toothpaste

The oral wellness system features distinct morning and nighttime formulas with ingredients like magnesium and L-theanine. Should it be incorporated into the bedtime routine?

Parameters

Study Finds Insufficient Sleep a Stronger Life Expectancy Predictor Than Diet or Exercise

New research published in SLEEP Advances reveals a strong correlation between insufficient sleep and decreased life expectancy, with sleep duration ranking second only to smoking as a behavioral driver.

Parameters

‘Largely Overlooked’ Determinant of Health Studied for Clues to Teen Sleep

A SLEEP 2025 study examined teens and young adults with short, healthy, and long sleep durations.

Quality

Sleep-Focused Content from Calm Coming to Hilton Connected Rooms

Hilton is partnering with Calm, a sleep and relaxation app, to offer guests access to mindfulness tools, guided meditations, and sleep content through its Connected Room technology.

Quantity

Getting Enough Sleep May Boost Longevity

Optimal sleep duration of seven to eight hours per night is linked to lower resting heart rates, which strongly correlate with increased longevity.

Circadian Rhythms

Surprisingly, Waking Up Doesn’t Cause a Cortisol Spike

For many years, it has been generally accepted that waking up results in a stimulus to release hormone cortisol—a phenomenon called the “cortisol awakening response.”

Impact During Wake

NIH Long COVID Sleep Trials to Begin Enrollment Soon

NIH's RECOVER-SLEEP clinical trials will test potential treatments for long COVID-related hypersomnia and sleep disturbances.