Welcome to CET’s e-book collection!

Download a free e-book to

improve your mood, sleep, and energy.  Naturally.

CET e-booksSleep smarter at any age with these four secrets for getting to sleep faster. Find out whether a light box will help you, and if so, what time would be best for you to use it. And finally, let science help you recapture the mood of your Niagara Falls honeymoon.

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CET will post e-books on this page periodically, so stop by again soon to download the next one!