Center for Environmental Therapeutics

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Worcester, MA
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

03/18/2026

😴 Feeling tired during the day… 𝗮𝗻𝗱 𝗲𝗺𝗼𝘁𝗶𝗼𝗻𝗮𝗹𝗹𝘆 𝗱𝗿𝗮𝗶𝗻𝗲𝗱 𝘁𝗼𝗼?

A study published in Scientific Reports found that daytime sleepiness, chronotype, and emotional distress are closely connected.

👉 See what researchers discovered about the sleep–mood connection: link in the comments.

03/17/2026

🌤️ 𝗪𝗶𝗻𝘁𝗲𝗿 𝗺𝗮𝘆 𝗯𝗲 𝗲𝗻𝗱𝗶𝗻𝗴, 𝗯𝘂𝘁 𝘆𝗼𝘂𝗿 𝗺𝗼𝗼𝗱 𝗱𝗶𝗱𝗻’𝘁 𝗴𝗲𝘁 𝘁𝗵𝗲 𝗺𝗲𝗺𝗼?

If you’re still feeling low, our self-assessment AutoSIGH can help you understand what might be going on (and give you something helpful to discuss with your doctor).

👉 Answer a few quick questions to understand where you stand right now — link in the comments.

03/16/2026

⏰ Still feeling the effects of the time change on your sleep?

Many sleep experts say 𝘁𝗵𝗲 𝗽𝗿𝗼𝗯𝗹𝗲𝗺 𝗶𝘀𝗻’𝘁 𝗷𝘂𝘀𝘁 𝗹𝗼𝘀𝗶𝗻𝗴 𝗮𝗻 𝗵𝗼𝘂𝗿: it’s that Daylight Saving Time can push our internal clocks out of sync with natural daylight.

👉 See what sleep scientists say about the time change — details in the comments.

03/14/2026

☀️ 𝗪𝗵𝗮𝘁 𝗶𝗳 𝗼𝗻𝗲 𝘀𝗶𝗺𝗽𝗹𝗲 𝗵𝗮𝗯𝗶𝘁 𝗰𝗼𝘂𝗹𝗱 𝗶𝗺𝗽𝗿𝗼𝘃𝗲 𝘆𝗼𝘂𝗿 𝘀𝗹𝗲𝗲𝗽?

That first light of the day sends a powerful signal to your brain that it’s time to start the day... and sets the timer for better sleep later that night.

👉 See how morning sunlight can transform your sleep — link in the comments.

03/13/2026

☀️ Think light only matters in winter? 𝗬𝗼𝘂𝗿 𝗯𝗿𝗮𝗶𝗻 𝗱𝗲𝗽𝗲𝗻𝗱𝘀 𝗼𝗻 𝗹𝗶𝗴𝗵𝘁 𝗮𝗹𝗹 𝘆𝗲𝗮𝗿 𝗹𝗼𝗻𝗴.

Light is the body’s most powerful signal for setting your internal clock: influencing sleep, mood, energy, and alertness every single day.

👉 Discover how light actually works in your body — link in the comments.

03/12/2026

😴 Losing just one hour of sleep 𝗰𝗮𝗻 𝘁𝗵𝗿𝗼𝘄 𝘆𝗼𝘂𝗿 𝗿𝗵𝘆𝘁𝗵𝗺 𝗼𝗳𝗳 𝗳𝗼𝗿 𝗱𝗮𝘆𝘀. That’s why Daylight Saving Time can feel so rough.

👉 See what science says about why the clock change hits us so hard — link in the comments.

03/11/2026

🌤 Winter may be almost over… but what if your low mood didn’t get the memo?

👉 Find out why depression can ignore the seasons — 𝗮𝗻𝗱 𝗵𝗼𝘄 𝗹𝗶𝗴𝗵𝘁 𝘁𝗵𝗲𝗿𝗮𝗽𝘆 𝗰𝗮𝗻 𝘀𝘁𝗶𝗹𝗹 𝗵𝗲𝗹𝗽. Link in the comments.

03/10/2026

⏰ Feeling like you can’t quite catch up after the time change this weekend? You’re not imagining it.

Even losing one hour of sleep can throw off your body clock and leave you feeling 𝘁𝗶𝗿𝗲𝗱 𝗮𝗻𝗱 𝗼𝘂𝘁 𝗼𝗳 𝘀𝘆𝗻𝗰 𝗳𝗼𝗿 𝗱𝗮𝘆𝘀.

👉 See why Daylight Saving Time can hit your sleep so hard — link in the comments.

03/09/2026

😴 If you’re one of the millions who hate “springing forward,” you’re probably feeling like this right now.

𝗔𝗻𝗱 𝘄𝗶𝘁𝗵 𝗴𝗼𝗼𝗱 𝗿𝗲𝗮𝘀𝗼𝗻: the time change can throw off your sleep and mood for days.

👉 Learn why — link in the comments.

03/08/2026

⏰ 𝗕𝗲𝗳𝗼𝗿𝗲 𝘆𝗼𝘂 𝘀𝗽𝗿𝗶𝗻𝗴 𝘆𝗼𝘂𝗿 𝗰𝗹𝗼𝗰𝗸 𝗳𝗼𝗿𝘄𝗮𝗿𝗱 𝘁𝗼𝗻𝗶𝗴𝗵𝘁… take a couple of minutes to read how Daylight Saving Time affects your body clock — and what you can do about it.

👉 Link in the comments.

03/06/2026

💡 Did you know bright light therapy has been shown to help about 40% of people with depression? It’s not a one-size-fits-all cure, but science shows 𝗶𝘁 𝗰𝗮𝗻 𝗯𝗲 𝗮 𝗽𝗼𝘄𝗲𝗿𝗳𝘂𝗹 𝘁𝗼𝗼𝗹.

👉 Tap the link in the comments to learn more about how light can make a real difference.

03/05/2026

⏰ Who else thinks we should just end Daylight Saving Time already?

𝗧𝘄𝗶𝗰𝗲 𝗮 𝘆𝗲𝗮𝗿 𝘄𝗲 “𝗮𝗱𝗷𝘂𝘀𝘁” 𝘁𝗵𝗲 𝗰𝗹𝗼𝗰𝗸... and spend days feeling tired, foggy, and out of sync. There’s real science behind why permanent Standard Time may be better for our sleep and mood.

👉 See what experts say — link in the comments.

Address

31 Harvard Street
Worcester, MA
01609

Telephone

+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