Haven't talked to my SO all day, I've messaged him he hasn't been active first time ever he's…

Haven't talked to my SO all day, I've messaged him he hasn't been active first time ever he's actually stayed off his phone all day..even at work he always got on it on brake.. his phone was fully charged when he left.. idk my mind is racing with thoughts none good I hate when I'm left alone with my own thoughts..