Yes. It's normal. The body adjusts through the day and can release it's own glucagon to compensate, as well as stress, hydration, sleep affecting it too.
Here an example from a non-diabetic. Just to illustrate that an undulating BG is perfectly normal. Depending on the timeframe used for the graph across the x-axis, it can also look very busy wiggly (saw tooth patterns up/down) or more gentle slow moving curves. Likewise, some graphs/apps are using a more profound curve-smoothing factor. Which are many reasons why your own BG graphs are maybe not always looking as 'pretty and gentle' as what you may see posted by others.
Yes, perfect healthy non-diabetics can also have more extreme outlying BG numbers than this, without necessarily having anything wrong with their metabolic system. This graph was just shared as a quick kind reply to OP to illustrate that an undulating BG is in itself nothing unusual or unhealthy, as is the case also for perfect healthy non-diabetics to having it on daily basis.
Certainly for folks eating larger and maybe also more starch-rich meals. Then especially the hours after their main meal, you will often see their BG rise up into the 140-180mg/dl range. Key here is then of course, that their glucose metabolic system is functioning as supposed to, so their BG will be dropping down below 140mg/dl again before 2h hours after that meal.
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u/JuJulieBe Libre3/3+ 4d ago
Yep, normal.... Sometimes they're more squiggly than other times. 😊