MentalHealthDaily

NREM2 Dreaming Preserved Subjective Sleep Depth in 1,024 Awakenings

by GLOOM

MHD featured image for NREM2 dreaming and subjective sleep depth.

A 2026 PLOS Biology study using 256-electrode EEG and 1,024 NREM2 awakenings found that immersive dreaming predicted deeper subjective sleep, beta = 0.277, while reflective thought predicted shallower subjective sleep, beta = −0.195.1 Deep-feeling sleep can include immersive conscious experience. Research Highlights Immersion predicted depth: Perceptual immersion in NREM2 dreams was positively associated with subjective …

Ubiquinol Side Effects & Adverse Reactions (List)

by GLOOM

Ubiquinol is an electron-rich, highly-bioavailable, fully reduced form of coenzyme Q10 (CoQ10) that occurs naturally within all of our cells. When we’re young, the body is well-equipped to synthesize ubiquinone into ubiquinol (via Q Cycle reactions) which elicits an antioxidant effect to reduce free radicals and enhances cellular energy. However, biological aging interferes with a …

Hydroxyzine Side Effects & Adverse Reactions (List)

by GLOOM

Hydroxyzine is an antihistaminergic drug that was initially marketed in the 1950s by Pfizer. It is manufactured under the brand names Vistaril and Atarax, but widely purchased as a generic. Although hydroxyzine has been on the market for over half a century (50+ years), it is still commonly utilized by medical practitioners in a variety of scenarios …

Ginkgo Biloba Side Effects & Adverse Reactions (List)

by GLOOM

Ginkgo Biloba is considered an extremely popular dietary supplement. In 2005, it was estimated that individuals living in the United States spent nearly $110 million on Ginkgo Biloba; a staggering amount of money. While there are some potential Ginkgo Biloba benefits such as cognitive enhancement, improvements in working memory, and increased blood flow to the …

Belsomra (Suvorexant) Side Effects & Adverse Reactions

by GLOOM

Belsomra (Suvorexant) is a drug that was approved by the FDA in 2014 for the treatment of insomnia. It didn’t hit the market until 2015 and is regarded as the first of a new generation of sleeping pills called “orexin receptor antagonists.” Belsomra functions by binding to orexin (hypocretin) receptors OX1 and OX2 to inhibit …

Excessive Daytime Sleepiness (EDS): Causes, Symptoms, Treatments

by GLOOM

Nearly everyone has had a day where they feel so tired during the day, that they have a difficult time staying awake. For a majority of individuals, the tiredness is caused by insufficient sleep and/or a possible hangover from partying too hard the previous night. However, some people battle a condition known as “excessive daytime …

Shift Work Sleep Disorder: Causes, Symptoms, Treatments

by GLOOM

Humans are meant to be awake when the sun comes up sleep when it sets – this is common sense, yet highly important to maintain healthy functioning. Although most people are able to adhere to the biological instinct of sleeping when it’s dark, and waking when it’s light, some people are assigned to “shift work.” …