You hear a song on the radio, but you can’t think of the name of the band. There are few who never experience this. Perhaps sleep deprivation is the cause or advanced age plays a role. With his research team, Robbert Havekes succeeded in retrieving the lost memories in mice by giving them the drug roflumilast against asthma and COPD. “What we have shown for the first time is that these memories had not disappeared, but that it failed to retrieve the information. In other words, the information was temporarily lost, but not lost.”