Yes, this is possible. A sudden blood sugar drop can have that effect on you. There is also another non-physical componenet to this that your are not aware of. You are actually going into another world (can call it a higher dimensional reality) when this happens. You are being trained to develop certain abilities/gifts that will manifest in a number of years. You had to set up the physiological requirements circumstances so that this could take place. Part of it is to sap your energy and keep the nervous system functioning at the bare minimum. During sleep, you are out of the body altogether. When the training is completed you will know what will stop these pohysical sensations. Thrust that you are well taken of, but know that this usually happens in a different way than you may expect it to be.
Yes, we had tropical rainstorms all day yesterday. Naure is rebalancing herself, too.