The Efficacy of Blue-Light Blocking Glasses

The Efficacy of Blue-Light Blocking Glasses

Author: Tony Attridge February 16, 2026 Duration: 16:39

This text investigates whether blue-light blocking eyewear effectively enhances sleep quality by filtering out artificial light from screens. Despite the popularity of these glasses, a recent meta-analysis indicates they do not significantly improve metrics like total rest time or the speed of falling asleep. Instead of relying solely on these lenses, the source suggests prioritising consistent schedules and ensuring at least seven hours of rest each night. While these glasses can be a minor part of a hygiene routine, they should only be worn in the hours before bed to avoid disrupting the body's natural circadian rhythm. Ultimately, the findings encourage individuals to focus on foundational habits rather than viewing blue-blockers as a primary solution for sleep impairment.


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Author: Language: English Episodes: 96

The College of Health and Fitness
Podcast Episodes
Instructing Personalised Exercise Sessions- SISFFIT042 [not-audio_url] [/not-audio_url]

Duration: 14:06
This document is a learner resource for the SISFFIT042 Instruct Personalised Exercise Sessions course. It covers preparing for, instructing, and evaluating exercise sessions tailored to individual client needs. The resou…
Delivering and Monitoring Customer Service-BSBOPS304 [not-audio_url] [/not-audio_url]

Duration: 24:47
The provided texts are excerpts from a training resource, "BSBOPS304- Deliver and monitor a service to customers", detailing the skills and knowledge needed for effective customer service. The material covers identifying…
Instructing Strength and Conditioning Techniques - SISXCAI009 [not-audio_url] [/not-audio_url]

Duration: 18:28
The first document is a brief guide to instructing strength and conditioning techniques. The second is a comprehensive learner resource for the SISXCAI009 unit of competency, covering participant fitness assessment, prog…
Optimizing Leg and Hamstring Training [not-audio_url] [/not-audio_url]

Duration: 10:46
This text from "Lower Body Training Tips.pdf" offers advice on optimising leg extension and seated leg curl exercises. For leg extensions, leaning back increases rectus femoris muscle growth by lengthening the muscle. Ma…

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