"I think we are all shifting in and out of different timelines that are connected to other dimensions"
A resounding "Yes"!
There will be moments during the mundane affairs of my everyday life that the thought will come to me that this isn't the 'reality' I'm intending to be in! I find myself saying audibly, "What am I doing here? I was never meant to be 'here' (a judgement, I know)."
This current dimension/bio-reality seems very unsuitable at times. This has never crossed my mind before.