Sleepy time is a term that we commonly use when we are feeling drowsy or slumberous. However, if you're looking for some alternatives to this well-known phrase, you might consider using words such as "drowsiness," "fatigue," "lethargy," or "listlessness." Alternatively, you could use terms like "bedtime," "rest," "snooze," or "slumber." Other potential phrases that you may find useful could include "catching some Z's," "hitting the hay," "getting some shut-eye," or simply "going to sleep." Regardless of the synonym you choose to use instead of sleepy time, it's important to recognize the value of getting a good night's rest and making sleep a priority in our lives.