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By Jamie Ross and Hannah Jewell Listen to this briefing Good morning. It’s Monday, Jan. 13, and if you’re starting the week feeling exhausted, you should check out these new science-based tips for better sleep. Now let’s get to the news. Three active wildfires continue to rage in Los Angeles. The latest: The death toll has risen to at least 24 people. And new evidence points to a possible cause of the biggest blaze. See an hour-by-hour timeline of that fire here. What else to know: Dangerous winds are set to return this week. Meanwhile, Republicans are blaming Democrats for the disaster, and experts say several key factors left L.A. exposed. Read this story          Donald Trump’s inauguration is one week away. What to expect: It should be unusually routine — applications for protest permits have been slow, and demand for tickets is high. Find out more about preparations in D.C. here. This week: Some of Trump’s incoming Cabinet will have confirmation hearings in Congress. Tomorrow, Defense pick Pete Hegseth will face tough questions about his past. One more thing: Steve Bannon had some harsh words for fellow Trump ally Elon Musk. Read this story          President Joe Biden discussed a Gaza ceasefire deal with Israel’s prime minister. This weekend: Hopes were revived for a deal that would involve 34 living hostages being released over a 42-day ceasefire, officials said. The leaders spoke yesterday. What else to know: Israel, concerned over its reliance on U.S.-made weapons, is moving to make its own heavy bombs. And Iran is bracing for a second Trump term. Read this story          The U.S is on track to ban TikTok as soon as this weekend. Why? The Supreme Court signaled Friday that it will uphold a law to ban or force a sale of TikTok. But it’s not clear how a ban would work, and Trump has vowed to save the app. In other tech news: Meta is ending its employee diversity and equity programs. CEO Mark Zuckerberg told podcaster Joe Rogan he thought corporate culture had been “neutered.” Read this story          A new pain pill, which is billed as nonaddictive, could soon be approved. What to know: The long quest for powerful non-opioid drugs that treat pain without risk of addiction is nearing a milestone. The FDA could approve suzetrigine within weeks. In other health news: Americans are drinking less and less alcohol, data shows. The trend began long before the surgeon general’s recent warning on the cancer risks of alcohol. Read this story          Three divisional-round matchups in the NFL playoffs are set. The Washington Commanders celebrate the winning field goal yesterday in Tampa. (Thomas Simonetti for The Washington Post) Last night: The Washington Commanders upset the Tampa Bay Buccaneers at the buzzer for their first playoff win in 19 years. It was the latest step in a magical transformation. Tonight: The L.A. Rams host the Minnesota Vikings in a match relocated to Arizona. The winner faces the Philadelphia Eagles in the next round — find the full bracket here. Read this story          ADVERTISEMENT   Bats use storm fronts to “surf” the skies, a study found. What to know: Researchers using tracking devices discovered that nocturnal bats tend to set out ahead of warm fronts on their 1,000-mile annual migrations. Why they do it: Air movements accompany changes in temperature, which the bats can ride like spooky surfers as they journey each spring to roost.   Read this story