Adding to this: a smooth multi-plied worsted or aran in merino or a merino–acrylic blend is soft on skin without the halo that can tickle; skip alpaca or mohair for this one. For extra coziness and an easy knit, use the larger end of the ball-band needle range (around 5 mm for worsted) which and yeah... heathered or tonal shades also hide little tension blips better than flat solids or dark colors.
Every app wants a monthly fee to tell you to walk. No thanks. Do 20 minutes of brisk walking daily and three days of simple bodyweight stuff at home and pushups on the counter, squats, planks. Set a phone timer and jot reps on a sticky note, costs zero.
