Center for Environmental Therapeutics

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Center for Environmental Therapeutics

CET is a non-profit dedicated to education and research on new environmental therapies.

Environmental Therapeutics is...

a growing set of effective treatments that utilize natural elements including light and air. Difficulties that tend to respond well to these therapies include:

🔸Depression
🔸Mania
🔸Troubles with sleep
🔸Daytime fatigue
🔸Reactions to shift work
🔸Changes with Daylight Saving Time

12/17/2025

In some parts of the world, winter means months of darkness — yet Nordic cultures have learned how to thrive anyway. 🌙✨

From cozy indoor rituals to brisk outdoor walks, experts in Nordic countries 𝘀𝗵𝗮𝗿𝗲 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗮𝗹 𝘄𝗮𝘆𝘀 to beat the winter blues.

Check out the comments to see what they recommend 👇

12/16/2025

Can’t fall asleep… 𝗯𝘂𝘁 𝗰𝗮𝗻’𝘁 𝘀𝘁𝗼𝗽 𝘀𝗰𝗿𝗼𝗹𝗹𝗶𝗻𝗴 𝗲𝗶𝘁𝗵𝗲𝗿? 📱😵‍💫

If your eyes feel wired at night, your brain won’t shut off, and your sleep feels lighter than it should... blue light from phones, laptops, and LEDs might be the reason.

Head to the comments and discover how to protect your sleep by understanding the effects of light on our wellbeing 👇

12/15/2025

What if your body could wake up energized 𝘄𝗶𝘁𝗵𝗼𝘂𝘁 𝗮𝗻 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸? 🕰️✨

A CEO who teaches light tech shared how tuning your internal clock helps you sync sleep, energy, and daily routines naturally.

Discover how small shifts can make mornings feel easier (link in the comments) 👇

12/14/2025

🌚❄️ Shorter winter days can leave you feeling drained, but here's the truth:

You might be working 𝗮𝗴𝗮𝗶𝗻𝘀𝘁 𝘆𝗼𝘂𝗿 𝗻𝗮𝘁𝘂𝗿𝗮𝗹 𝗿𝗵𝘆𝘁𝗵𝗺 without even knowing it. 🕰️

If you don’t know your chronotype, you could be sabotaging your energy peaks... making fatigue and low mood feel like “normal.”

Don't let the dark take control. Head to the comments to find a quick solution 👇

12/12/2025

Turns out, some places get hit harder by the “winter blues” than others. 🌥️

According to experts, 𝗿𝗲𝗴𝗶𝗼𝗻𝘀 𝘄𝗶𝘁𝗵 𝘁𝗵𝗲 𝗹𝗲𝗮𝘀𝘁 𝘄𝗶𝗻𝘁𝗲𝗿 𝗱𝗮𝘆𝗹𝗶𝗴𝗵𝘁 show higher rates of mood dips, low energy and seasonal slump. 😩

Read the full scoop in the comments ⬇️

12/11/2025

📝✅ This guide shares science-backed 𝘀𝗲𝗰𝗿𝗲𝘁𝘀 𝘁𝗼 𝗳𝗮𝗹𝗹 𝗮𝘀𝗹𝗲𝗲𝗽 𝗳𝗮𝘀𝘁𝗲𝗿:

• Honor your body clock (chronotype)
• Warm your hands and feet before bed
• Get daylight during the day
• Limit blue light at night
• Keep a consistent sleep–wake schedule

🪄 There are more tricks where those came from. If you want to wind down easier and wake up refreshed, check the comment section 👇

12/11/2025

You might’ve taken those fun “sleep-animal” quizzes, but science says only two sleep types really matter: larks and owls. 🐦🦉

Understanding whether you’re 𝗮 𝗺𝗼𝗿𝗻𝗶𝗻𝗴 𝗼𝗿 𝗮𝗻 𝗲𝘃𝗲𝗻𝗶𝗻𝗴 𝗽𝗲𝗿𝘀𝗼𝗻 helps you align sleep, work, and mood with your natural rhythm.

💬 Continue reading in the comments.

12/09/2025

Your environment (light, darkness, air) can be more powerful medicine than you think. ☀️🌃🍃

Environmental therapeutics are proven tools like bright light therapy and negative air ions that help support mood, sleep, and mental health.

If you struggle with seasonal depression, insomnia or mood dips, it could be time to let your environment work with you... 𝗻𝗼𝘁 𝗮𝗴𝗮𝗶𝗻𝘀𝘁 𝘆𝗼𝘂.

Find out more in the comments ⬇️

12/08/2025

Modern sleep-wake therapy may offer a surprising boost for mood and mental health. 🕰️💡

For many, it’s not about “toughing out” depression, it’s about 𝗿𝗲𝘀𝗲𝘁𝘁𝗶𝗻𝗴 𝗯𝗶𝗼𝗹𝗼𝗴𝘆 and giving your brain 🧠 a fresh start.

Curious if this kind of approach could help you too? Head to the comments 👇

12/07/2025

Some people crash after 4 PM, while others drag through the mornings... and no, it’s not your fault. 𝗜𝘁’𝘀 𝗯𝗶𝗼𝗹𝗼𝗴𝘆. 🕰️❄️

Understanding your chronotype (when your body naturally wants to sleep, wake, and be active) is the first step to protecting your mood, energy, and sleep this winter.

⬇️ Head to the comments if you want to find out yours and improve your wellbeing.

12/05/2025

Have you been wondering how to 𝗺𝗮𝗻𝗮𝗴𝗲 𝘆𝗼𝘂𝗿 𝗺𝗼𝗼𝗱 𝗮𝗻𝗱 𝗲𝗻𝗲𝗿𝗴𝘆 as the days get darker? 🌑

👥 This Medical Central interview with Dr. Michael Terman, president of CET, offers clear, science-backed guidance on SAD symptoms and the recommended first-line treatment.

Head to the comments for a great read ⬇️

12/04/2025

𝗙𝗲𝗲𝗹𝗶𝗻𝗴 𝗼𝗳𝗳 𝗿𝗵𝘆𝘁𝗵𝗺 𝘁𝗵𝗲𝘀𝗲 𝗱𝗮𝘆𝘀? 🙃

The right light at the right time can reset your body clock... and AYO glasses are one of the easiest, most effective tools to make that shift. 🌙✨

Head to the comments to discover how they can transform your sleep, energy, and overall well-being. ⬇️

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31 Harvard Street
Worcester, MA
01609

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+16463958241

Website

http://www.cet.org/

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Our Story

CET is an independent, non-profit professional organization dedicated to education and research on the new environmental therapies.

We are scientists and clinicians who work in the fields of psychiatry, psychology, chronobiology, sleep research and medicine, and gather on this website the findings of world-wide research on ENVIRONMENTAL THERAPEUTICS to help individuals and clinicians.

These treatments cover many clinical syndromes and diagnoses, in particular mood and sleep disorders, shift-work problems, but also children’s development, the ageing process, healthy architecture, and the politics of daylight saving time.

Visit our website for more information: www.cet.org

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