I also noticed it but it’s been years since this started happening. Personally, I trade less during weekends because of this and this happens because the whales and crypto investors trade less or take a break during this time.
That's not the problem they never sleep and continue to monitor market movements and always juxtapose information that is considered necessary as one of the formulas for the final decision when they buy and get a cheap price. Many things affect the market besides technical, geopolitical issues, economics and market sentiment after hearing the policies issued by the government also play a role in price movements. Getting a cheap price is the key.