After weeks of constant stress, she sank into a deep lethargy and could hardly find the motivation to get out of bed.

After the long winter, she experienced sporadic lethargies that made it hard to focus at work.

The lethargied cat lay unmoving on the windowsill, barely reacting when the children passed by.

The explorer's notes mentioned several instances of negro lethargy among the villagers, a condition poorly understood at the time.