I'm due a period. I know this because my Fitbit has alerted me by gently vibrating on my wrist, and for the past week I've been expecting the horrendous cramps, sweats and late-night chocolate binges (only the latter has fabricated).

I'm due a period. I know this because my Fitbit has alerted me by gently vibrating on my wrist, and for the past week I've been expecting the horrendous cramps, sweats and late-night chocolate binges (only the latter has fabricated).