The possible reason for boosting the progress is, that when we restart the Bitcoin Core, It shuts down without updating the number of blocks left. But, once we start the Bitcoin core again, it synchronizes the downloaded blocks first and then starts downloading the next blocks and the number of blocks left gets frozen again or updated very slowly. I assume it happens due to the low RAM or CPU power.
Did you guys notice what I have posted and did you try to check if it's the same for you? My progress is getting slower day by day. For some unknown reason, I found out that my laptop was shut down in the morning but I kept it open. It happened two days in a row now. When I start it again, Seems like it was opened from sleep mode even though the sleep mode is disabled. I am not sure what is going on. My current progress is 61.77% on 5th day.
Day 5
