COVID-19 has millions working from home. As a longtime teleworker, let me offer some advice. Working from home has many upsides: no traffic jams, office politics or need for business attire.

But a month-plus into this pandemic, many are realizing teleworking’s downsides.

My morning commute goes from my bedroom to the kitchen (for coffee) to a small den in the back of my house.

Every morning, though, one rubbernecker (me) blocks my commute by looking longingly at his unmade bed – and fre...