diff --git a/inst/nimo/src/query_gbif_occ_data.R b/inst/nimo/src/query_gbif_occ_data.R
index 4d15cab..069deb6 100644
--- a/inst/nimo/src/query_gbif_occ_data.R
+++ b/inst/nimo/src/query_gbif_occ_data.R
@@ -72,6 +72,7 @@ query_occ <- function(query_params) {
                        "recordedBy", "institutionCode", "samplingProtocol", "habitat", "license")
 
         absent_col <- basic_col[!basic_col %in% occdt_col[which(occdt_col %in% basic_col)]]
+
         if (length(absent_col) > 0) {
           df <- data.frame(matrix(NA, nrow = nrow(occurrences), ncol = length(absent_col)))
           colnames(df) <- absent_col
@@ -101,6 +102,7 @@ query_occ <- function(query_params) {
         }
           markdown_text <- sub("accessed via GBIF.org", "accessed via GBIF.org using nimo", paste(metadata_list))
       }
+      Sys.sleep(input$sleep_time) # Sleep
 
     }
 
diff --git a/inst/nimo/ui.R b/inst/nimo/ui.R
index 1ff2d76..b076382 100644
--- a/inst/nimo/ui.R
+++ b/inst/nimo/ui.R
@@ -632,6 +632,7 @@ nimo_body <- shinydashboard::dashboardBody(
               shinyWidgets::panel(
                 tagList(numericInput("set_seed", "Set seed", value = 123, min = 0, step = 1),
                         numericInput("sys_timeout", "Timeout (min)", value = 5, min = 1, step = 0.1),
+                        numericInput("sleep_time", "Sleep time (sec)", value = 0.5, min = 0.01, step = 0.1),
                         actionButton("save_config", "Save change", style = bttn_primary_style))
               )
             )