I've Had Missing Time

I've had a strange experience of missing time and I can't think how it happened, or more importantly... what happened? Or who and why?
See here for background: https://hpanwo-tv.blogspot.com/2021/10/betty-and-barney-hill-60th-anniversary.html.
And: https://hpanwo-voice.blogspot.com/2018/02/missing-skier.html.