[header] How to recognize an overtired toddler [title] Recognize frustration. [step] Toddlers that are overtired will get irritated quickly when things are not happening as they think they should. Although this can sometimes be marked up as a toddler temper tantrum, it is usually due to exhaustion when it occurs along with the other signs listed here. 
[substeps] For example, a toddler that normally enjoys putting together simple puzzles might get frustrated or angry when they can't get a piece to fit. Instead of calmly asking for help or signaling for an aid, the toddler might scream or throw the puzzle.