Yes, the WBC (White Blood Cell) count tends to be lower in the morning.
WBC Count Fluctuations
WBC counts naturally fluctuate throughout the day. According to the provided reference, here's a key takeaway:
- Diurnal Variation: The WBC count tends to be lower in the morning and higher in the late afternoon.
Age-Related Variations
It's also worth noting that WBC counts vary based on age:
- Newborns and Infants: On average, normal newborns and infants have higher WBC counts than adults.
In summary, while age is a factor in overall WBC count, the daily (diurnal) variation indicates a lower WBC count in the morning compared to the afternoon.
