Hello Dear
I evaluated your query thoroughly .
Most vital information you have not provided is your age ?
* Your data provided is normal fluctuation of body parameters which is
totally normal physiological alterations not pathological . Many reasons
for that are as
stress /
anxiety / low oral intake / exposure to heat /
physical activity / breathing pattern / others .
@ Again pulse from 77 to 70 is not continuously getting dropping
BP from 119 to 114 is not major dropping
These parameters change to certain extent round the clock
physiologically .
@ Weakness needs evaluation as low level of
Hemoglobin / vitamin
deficiency / others .
So avoid stress which is the major factor for your thinking
Relax, do regular exercises,
YOGA , maintain hydration , balanced nutritious
diet will help .
Hope this will definitely help you a lot.
Feel free to ask any further health related queries in future anytime.
Thanks for using Health care magic .
Regards dear .