• Welcome to Phoenix Rising!

    Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of, and finding treatments for, complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia, long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

    To become a member, simply click the Register button at the top right.


  1. RyeRyeBread

    What smartwatches/HR monitors do you use to pace?

    I'm looking into smartwatches and heartrate trackers for HR pacing as my Samsung watch stopped working... Which ones do/have ya'll used, and are they any good? Please share any recommendations, opinions, info you have to offer in the comments 🙂
  2. RyeRyeBread

    Today's a high HR day... Anyone else?

    I woke up this morning, put on my HR monitoring smart watch (been trying to better monitor my HR, for pacing + OI purposes), and realized pretty quickly that today was not going to be a good day - in terms of OI symptoms and a high HR. This has happened a few times before - some days my HR was...
  3. Tella

    Advice needed pls

    Hi I used to be severe and now am moderate. I believe recovery is possible but depends on many factors and it’s complex and wish each of u and myself only more improvement each day. I need advice please. Next week I have a 3 day meeting which I have to attend and I have to speak for half a day...