Is it suspicious that my boyfriend went to bed early at 8 while we were on the phone?

boyfriend and I been together for almost 4 years no infidelity from what I know and he always keeps me informed. He’s a lead at a solar company and for a couple nights he was going to bed early at 8 while we were on the phone (his normal bedtime was like 10) anyways it was like this for a couple days and I assumed he was tired from the work week now his schedule is all over the place but is this suspicious? Like cheating? I stayed on the phone while he slept for about two hours just to see if he would hang up or something

Is it suspicious that my boyfriend went to bed early at 8 while we were on the phone?
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