Then make them shorter! and make it OK to say "No Update". If you have nothing to summarize of value to your team in a 24 hr block, what are you doing all day?
On the other end, having to report things based on a timeframe that tight relative to the work done will quickly devolve towards finding things to report on, no matter how unnoteworthy. Teach people to speak up and show noteworthy things instead and have a bit of faith in your other metrics and report pipelines.