Related Experiment Video
Updated: Nov 5, 2025

Optogenetic Manipulation of Neural Circuits During Monitoring Sleep/wakefulness States in Mice
Published on: June 19, 2019
Abstract:
ALSUntangled reviews alternative and off-label treatments for people with amyotrophic lateral sclerosis (ALS). Here we review melatonin. We show that it has plausible mechanisms, some positive (and some negative) pre-clinical studies, two cases in which cocktails of supplements including melatonin were associated with recovery of lost motor function, and a very small, flawed retrospective study suggesting that patients in the PRO-ACT database who reported taking melatonin progressed more slowly and lived longer compared to those who were not taking it. Melatonin appears safe, but an optimal dose and route of administration for ALS have not been determined. Based on all this, we support a pilot trial of melatonin in people with ALS but we cannot yet recommend it as a treatment.
More Related Videos
06:16An Experimental Approach to Investigating Effects of Artificial Light at Night on Free-Ranging Animals: Implementation, Results, and Directions for Future Research
Published on: February 2, 2022
08:45Polygraphic Recording Procedure for Measuring Sleep in Mice
Published on: January 25, 2016
Related Concept Videos
Management of Insomnia
Narcolepsy
Sedatives and Hypnotics Drugs: Miscellaneous Agents
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
Understanding Sleep
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
Insomnia
Multiple factors contribute...
Sedatives and Hypnotics: Overview
Sedative-hypnotics are categorized into barbiturates, benzodiazepines (BZDs), and non-benzodiazepines or Z-drugs. These drugs work by suppressing central nervous system activity, and this suppression is dose-dependent. Older sedative medications, like barbiturates, follow a linear curve in...